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Intel(R) Desktop Board
DG31PR
Technical Product Specification

July 2007
Order Number: E14051-001US
The Intel(R) Desktop Board DG31PR may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current
characterized errata are documented in the Intel Desktop Board DG31PR Specification Update.

Revision History
Revision
-001

Revision History
First release of the
Specification.

Intel(R)

Date
Desktop Board DG31PR Technical Product

July 2007

This product specification applies to only the standard Intel(R) Desktop Board DG31PR with BIOS
identifier PRG3110H.86A.
Changes to this specification will be published in the Intel Desktop Board DG31PR Specification
Update before being incorporated into a revision of this document.

INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL(R) PRODUCTS. NO LICENSE,
EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS
GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR
SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR
IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR
WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT
OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. INTEL PRODUCTS ARE NOT
INTENDED FOR USE IN MEDICAL, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS.
Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other
intellectual property rights that relate to the presented subject matter. The furnishing of documents and
other materials and information does not provide any license, express or implied, by estoppel or otherwise,
to any such patents, trademarks, copyrights, or other intellectual property rights.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked "reserved"
or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for
conflicts or incompatibilities arising from future changes to them.
Intel(R) desktop boards may contain design defects or errors known as errata, which may cause the product
to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your
product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel
literature, may be obtained from:
Intel Corporation
P.O. Box 5937
Denver, CO 80217-9808
or call in North America 1-800-548-4725, Europe 44-0-1793-431-155, France 44-0-1793-421-777,
Germany 44-0-1793-421-333, other Countries 708-296-9333.
Intel, the Intel logo, Core, Pentium, and Celeron are registered trademarks of Intel Corporation or its
subsidiaries in the United States and other countries.
* Other names and brands may be claimed as the property of others.
Copyright (C) 2007, Intel Corporation. All rights reserved.

Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the Intel(R)
Desktop Board DG31PR. It describes the standard product and available
manufacturing options.

Intended Audience
The TPS is intended to provide detailed, technical information about the Desktop Board
DG31PR and its components to the vendors, system integrators, and other engineers
and technicians who need this level of information. It is specifically not intended for
general audiences.

What This Document Contains
Chapter

Description

1

A description of the hardware used on the board

2

A map of the resources of the board

3

The features supported by the BIOS Setup program

4

A description of the BIOS error messages, beep codes, and POST codes

5

Regulatory compliance and battery disposal information

Typographical Conventions
This section contains information about the conventions used in this specification. Not
all of these symbols and abbreviations appear in all specifications of this type.

Notes, Cautions, and Warnings
NOTE
Notes call attention to important information.

INTEGRATOR'S NOTES
Integrator's notes are used to call attention to information that may be useful to
system integrators.

CAUTION
Cautions are included to help you avoid damaging hardware or losing data.

iii

Intel Desktop Board DG31PR Technical Product Specification

Other Common Notation
#

Used after a signal name to identify an active-low signal (such as USBP0#)

GB

Gigabyte (1,073,741,824 bytes)

GB/sec

Gigabytes per second

Gbit

Gigabit (1,073,741,824 bits)

KB

Kilobyte (1024 bytes)

Kbit

Kilobit (1024 bits)

kbits/sec

1000 bits per second

MB

Megabyte (1,048,576 bytes)

MB/sec

Megabytes per second

Mbit

Megabit (1,048,576 bits)

Mbit/sec

An address or data value ending with a lowercase h indicates a hexadecimal value.

x.x V

Volts. Voltages are DC unless otherwise specified.

*

iv

Megabits per second

xxh

This symbol is used to indicate third-party brands and names that are the property of their
respective owners.

Contents
1 Product Description
1.1 Overview........................................................................................ 10
1.1.1 Feature Summary ................................................................ 10
1.1.2 Board Layout ....................................................................... 12
1.1.3 Block Diagram ..................................................................... 14
1.2 Legacy Considerations...................................................................... 15
1.3 Online Support................................................................................ 15
1.4 Processor ....................................................................................... 15
1.5 System Memory .............................................................................. 16
1.5.1 Memory Configurations ......................................................... 17
1.6 Intel(R) G31 Express Chipset............................................................... 19
1.6.1 Intel G31 Graphics Subsystem ............................................... 19
1.6.2 USB ................................................................................... 21
1.6.3 IDE Support ........................................................................ 21
1.7 Real-Time Clock Subsystem .............................................................. 22
1.8 Legacy I/O Controller ....................................................................... 23
1.8.1 Keyboard and Mouse Interface ............................................... 23
1.9 Audio Subsystem............................................................................. 24
1.9.1 Audio Subsystem Software .................................................... 24
1.9.2 Audio Connectors ................................................................. 24
1.9.3 6 Channel (5.1) Audio Subsystem ........................................... 25
1.10 LAN Subsystem ............................................................................... 26
1.10.1 Realtek RTL8111-GR Gigabit Ethernet Controller ....................... 26
1.10.2 LAN Subsystem Software....................................................... 27
1.10.3 RJ-45 LAN Connector with Integrated LEDs .............................. 27
1.11 Hardware Management Subsystem .................................................... 28
1.11.1 Hardware Monitoring and Fan Control...................................... 28
1.11.2 Fan Monitoring ..................................................................... 28
1.11.3 Chassis Intrusion and Detection.............................................. 28
1.11.4 Thermal Monitoring .............................................................. 29
1.12 Power Management ......................................................................... 30
1.12.1 ACPI................................................................................... 30
1.12.2 Hardware Support ................................................................ 33

2 Technical Reference
2.1 Memory Map................................................................................... 39
2.1.1 Addressable Memory............................................................. 39
2.2 Connectors and Headers................................................................... 42
2.2.1 Back Panel Connectors .......................................................... 43
2.2.2 Component-side Connectors and Headers ................................ 44
2.3 Jumper Block .................................................................................. 53
2.4 Mechanical Considerations ................................................................ 54
2.4.1 Form Factor......................................................................... 54

v

Intel Desktop Board DG31PR Technical Product Specification

2.5 Electrical Considerations ...................................................................
2.5.1 Power Supply Considerations .................................................
2.5.2 Fan Header Current Capability................................................
2.5.3 Add-in Board Considerations ..................................................
2.6 Thermal Considerations ....................................................................
2.7 Reliability .......................................................................................
2.8 Environmental ................................................................................

55
55
55
56
56
58
58

3 Overview of BIOS Features
3.1 Introduction ...................................................................................
3.2 BIOS Flash Memory Organization .......................................................
3.3 Resource Configuration ....................................................................
3.3.1 PCI* Autoconfiguration..........................................................
3.3.2 PCI IDE Support...................................................................
3.4 System Management BIOS (SMBIOS).................................................
3.5 Legacy USB Support ........................................................................
3.6 BIOS Updates .................................................................................
3.6.1 Language Support ................................................................
3.6.2 Custom Splash Screen ..........................................................
3.7 BIOS Recovery................................................................................
3.8 Boot Options...................................................................................
3.8.1 CD-ROM Boot ......................................................................
3.8.2 Network Boot.......................................................................
3.8.3 Booting Without Attached Devices...........................................
3.8.4 Changing the Default Boot Device During POST ........................
3.9 Adjusting Boot Speed.......................................................................
3.9.1 Peripheral Selection and Configuration.....................................
3.9.2 BIOS Boot Optimizations .......................................................
3.10 BIOS Security Features ....................................................................

59
60
60
60
61
61
62
63
63
63
64
65
65
65
65
65
66
66
66
67

4 Error Messages and Beep Codes
4.1
4.2
4.3
4.4

Speaker ......................................................................................... 69
BIOS Beep Codes ............................................................................ 69
BIOS Error Messages ....................................................................... 69
Port 80h POST Codes ....................................................................... 70

5 Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance.....................................................................
5.1.1 Safety Standards..................................................................
5.1.2 European Union Declaration of Conformity Statement ................
5.1.3 Product Ecology Statements...................................................
5.1.4 EMC Regulations ..................................................................
5.1.5 Product Certification Markings (Board Level).............................
5.2 Battery Disposal Information.............................................................

vi

75
75
76
78
82
84
85

Contents

Figures
1. Major Board Components....................................................................
2. Block Diagram...................................................................................
3. Memory Channel and DIMM Configuration .............................................
4. Back Panel Audio Connector Options.....................................................
5. LAN Connector LED Locations ..............................................................
6. Thermal Sensors and Fan Headers .......................................................
7. Location of the Standby Power Indicator LED .........................................
8. Detailed System Memory Address Map..................................................
9. Back Panel Connectors .......................................................................
10. Component-side Connectors and Headers............................................
11. Connection Diagram for Front Panel Header .........................................
12. Connection Diagram for Front Panel USB Headers.................................
13. Location of the Jumper Block .............................................................
14. Board Dimensions ............................................................................
15. Localized High Temperature Zones .....................................................

12
14
18
25
27
29
37
40
43
44
50
52
53
54
57

Tables
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.

Feature Summary............................................................................
Board Components Shown in Figure 1 ................................................
Supported Memory Configurations .....................................................
LAN Connector LED States ................................................................
Effects of Pressing the Power Switch ..................................................
Power States and Targeted System Power...........................................
Wake-up Devices and Events ............................................................
System Memory Map .......................................................................
Component-side Connectors and Headers Shown in Figure 10................
Front Panel Audio Header .................................................................
Serial ATA Connectors ......................................................................
Serial Port Header ...........................................................................
S/PDIF Connector ............................................................................
Chassis Intrusion Header ..................................................................
Front and Rear Chassis (3-Pin) Fan Headers ........................................
Processor (4-Pin) Fan Header ............................................................
Auxiliary Front Panel Power/Sleep LED Header.....................................
Processor Core Power Connector........................................................
Main Power Connector......................................................................
Front Panel Header ..........................................................................
States for a One-Color Power LED ......................................................
States for a Two-Color Power LED......................................................
BIOS Setup Configuration Jumper Settings..........................................
Recommended Power Supply Current Values .......................................
Fan Header Current Capability...........................................................
Thermal Considerations for Components .............................................
Desktop Board DG31PR Environmental Specifications ...........................
BIOS Setup Program Menu Bar..........................................................

10
13
16
27
30
31
32
41
45
46
46
46
46
47
47
47
48
48
49
50
51
51
53
55
55
57
58
60

vii

Intel Desktop Board DG31PR Technical Product Specification

29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.

viii

BIOS Setup Program Function Keys....................................................
Acceptable Drives/Media Types for BIOS Recovery ...............................
Boot Device Menu Options ................................................................
Supervisor and User Password Functions.............................................
Beep Codes ....................................................................................
BIOS Error Messages .......................................................................
Port 80h POST Code Ranges..............................................................
Port 80h POST Codes .......................................................................
Typical Port 80h POST Sequence........................................................
Safety Standards.............................................................................
Lead-Free Board Markings ................................................................
EMC Regulations .............................................................................
Product Certification Markings ...........................................................

60
64
65
67
69
69
70
71
74
75
81
82
84

1

Product Description

What This Chapter Contains
1.1 Overview........................................................................................ 10
1.2 Legacy Considerations...................................................................... 15
1.3 Online Support................................................................................ 15
1.4 Processor ....................................................................................... 15
1.5 System Memory .............................................................................. 16
1.6 Intel(R) G31 Express Chipset............................................................... 19
1.7 Real-Time Clock Subsystem .............................................................. 22
1.8 Legacy I/O Controller ....................................................................... 23
1.9 Audio Subsystem............................................................................. 24
1.10 LAN Subsystem ............................................................................... 26
1.11 Hardware Management Subsystem .................................................... 28
1.12 Power Management ......................................................................... 30

9

Intel Desktop Board DG31PR Technical Product Specification

1.1

Overview

1.1.1

Feature Summary

Table 1 summarizes the major features of the Desktop Board DG31PR.
Table 1. Feature Summary
Form Factor

MicroATX (9.60 inches by 8.60 inches [243.84 millimeters by
218.44 millimeters])

Processor

Support for the following:
o Intel(R) Core(TM)2 Quad processor in an LGA775 socket with a 1066 MHz
system bus
o Intel(R) Core(TM)2 Duo processor in an LGA775 socket with a 1333 MHz, 1066
MHz, or 800 MHz system bus
o

Intel(R) Pentium(R) Dual-Core processor in an LGA775 socket with an 800 MHz
system bus

o Intel(R) Celeron(R) processor in an LGA775 socket with an 800 MHz system bus
Memory

o Two 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
o Support for DDR2 800 or DDR2 667 MHz DIMMs
o Support for up to 4 GB of system memory using DDR2 800 or DDR2
667 DIMMs

Chipset

Intel(R) G31 Express Chipset, consisting of:
o Intel(R) 82G31 Graphics and Memory Controller Hub (GMCH)
o Intel(R) 82801GB I/O Controller Hub (ICH7)

Audio

5.1+2-channel audio subsystem using the Realtek* ALC888 audio codec

Video

Intel(R) Graphics Media Accelerator (Intel(R) GMA) 3100 onboard graphics
subsystem.

Legacy I/O Control

Legacy I/O controller for diskette drive, PS/2 ports, and serial port header

Peripheral
Interfaces

o Eight USB 2.0 ports
o PS/2 ports on back panel for mouse and keyboard
o Four Serial ATA (3 Gbps) interfaces
o One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support
o One serial port header (may require specialized chassis or cable for use)
o One diskette drive connector

LAN Support

10/100/1000 Mbits/sec LAN subsystem using the Realtek RTL8111-GR Ethernet
Controller

BIOS

o Intel(R) BIOS (resident in the SPI Flash device)
o Support for Advanced Configuration and Power Interface (ACPI), Plug and Play,
and SMBIOS

continued

10

Product Description

Table 1. Feature Summary (continued)
Instantly Available
PC Technology

o Support for PCI* Local Bus Specification Revision 2.3
o Support for PCI Express* Revision 1.0a
o Suspend to RAM support
o Wake on PCI, RS-232, front panel, PS/2 devices, USB ports, LAN, and PCI
Express

Expansion
Capabilities

o One PCI Express x16 bus add-in card connector
o One PCI Express x1 bus add-in card connector
o Two PCI Conventional bus connectors

Hardware Monitor
Subsystem

o Voltage sense to detect out of range power supply voltages
o Thermal sense to detect out of range thermal values
o Three fan headers
o Three fan sense inputs used to monitor fan activity

11

Intel Desktop Board DG31PR Technical Product Specification

1.1.2

Board Layout

Figure 1 shows the location of the major components.

Figure 1. Major Board Components
Table 2 lists the components identified in Figure 1.

12

Product Description

Table 2. Board Components Shown in Figure 1
Item/callout
from Figure 1
A

Description
PCI Conventional bus add-in card connector

B

PCI Conventional bus add-in card connector

C

Battery

D

PCI Express x1 connector

E

PCI Express x16 connector

F

S/PDIF connector

G

Back panel connectors

H

Processor core power connector (2 X 2)

I

Rear chassis fan connector

J

LGA775 processor socket

K

Processor fan header

L

DIMM Channel A sockets

M

DIMM Channel B sockets

N

Chassis intrusion header

O

Serial port header

P

Diskette drive connector

Q

Main Power connector (2 X 12)

R

Parallel ATA connector

S

Intel 82G31 GMCH

T

Intel 82801GB I/O Controller Hub (ICH7)

U

Serial ATA connectors [4]

V

Front panel header

W

Auxiliary front panel power LED header

X

BIOS Setup configuration jumper block

Y

Front panel USB header

Z

Front panel USB header

AA

Speaker

BB

Front chassis fan header

CC

Front panel audio header

13

Intel Desktop Board DG31PR Technical Product Specification

1.1.3

Block Diagram

Figure 2 is a block diagram of the major functional areas.

Figure 2. Block Diagram

14

Product Description

1.2

Legacy Considerations

This board differs from other Intel Desktop Board products, with specific changes
including (but not limited to) the following:
o
o
o

1.3

No parallel port
No serial port on the back panel
The serial port header is located near the memory sockets and may require a
specialized chassis or cabling solution to use

Online Support
To find information about...

Visit this World Wide Web site:

Intel(R) Desktop Board DG31PR

http://www.intel.com/products/motherboard/DG31PR/index.htm

Desktop Board Support

http://support.intel.com/support/motherboards/desktop

Available configurations for the
Desktop Board DG31PR

http://www.intel.com/products/motherboard/DG31PR/index.htm

Supported processors

http://www.intel.com/go/findcpu

Chipset information

http://www.intel.com/products/desktop/chipsets/index.htm

BIOS and driver updates

http://downloadcenter.intel.com

1.4

Processor

The board is designed to support the following processors:
o
o
o
o

Intel Core 2 Quad processor in an LGA775 socket with a 1066 MHz system bus
Intel Core 2 Duo processor in an LGA775 socket with a 1333 MHz, 1066 MHz, or
800 MHz system bus
Intel Pentium Dual-Core processor in an LGA775 socket with an 800 MHz
system bus
Intel Celeron processor in an LGA775 socket with an 800 MHz system bus

Other processors may be supported in the future. This board is designed to support
processors with a maximum wattage of 95 W. The processors listed above are only
supported when falling within the wattage requirements of the DG31PR board. See
the Intel web site listed below for the most up-to-date list of supported processors.
For information about...

Refer to:

Supported processors

http://www.intel.com/go/findcpu

CAUTION
Use only the processors listed on the web site above. Use of unsupported processors
can damage the board, the processor, and the power supply.

INTEGRATOR'S NOTE
Use only ATX12V-compliant power supplies.
For information about

Refer to

Power supply connectors

Section 2.2.2.4, page 48

15

Intel Desktop Board DG31PR Technical Product Specification

1.5

System Memory

The board has two DIMM sockets and support the following memory features:
o
o

1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts
Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMS with x16 organization are not supported.

o

o
o
o
o
o
o

4 GB maximum total system memory using DDR2 800 or DDR2 667 DIMMs; refer
to Section 2.1.1 on page 39 for information on the total amount of addressable
memory.
Minimum total system memory: 512 MB
Non-ECC DIMMs
Serial Presence Detect
DDR2 800 or DDR2 667 MHz SDRAM DIMMs
DDR2 667 DIMMs with SPD timings of only 5-5-5 (tCL-tRCD-tRP)
DDR2 800 DIMMs with SPD timings of only 5-5-5 or 6-6-6 (tCL-tRCD-tRP)

NOTE
To be fully compliant with all applicable DDR SDRAM memory specifications, the board
should be populated with DIMMs that support the Serial Presence Detect (SPD) data
structure. This allows the BIOS to read the SPD data and program the chipset to
accurately configure memory settings for optimum performance. If non-SPD memory
is installed, the BIOS will attempt to correctly configure the memory settings, but
performance and reliability may be impacted or the DIMMs may not function under the
determined frequency.
Table 3. Supported Memory Configurations

SDRAM
Technology

DDR2 667

512 Mbit

256 MB

Largest usable
DIMM (one x8
Double-sided
DIMM)

Maximum capacity
with four identical
x8 Double-sided
DIMMs

1 GB

DIMM
Type

Smallest usable
DIMM (one x16
Single-sided
DIMM)

2 GB

DDR2 667

1 Gbit

512 MB

2 GB

4 GB

DDR2 800

512 Mbit

256 MB

1 GB

2 GB

DDR2 800

1 Gbit

512 MB

2 GB

4 GB

For information about...
Tested Memory

16

Refer to:
http://support.intel.com/support/motherboards/desktop/sb/
CS-025414.htm

Product Description

1.5.1

Memory Configurations

The Intel 82G31 GMCH supports the following types of memory organization:
o

o

o

Dual channel (Interleaved) mode. This mode offers the highest throughput for
real world applications. Dual channel mode is enabled when the installed memory
capacities of both DIMM channels are equal. Technology and device width can vary
from one channel to the other but the installed memory capacity for each channel
must be equal. If different speed DIMMs are used between channels, the slowest
memory timing will be used.
Single channel (Asymmetric) mode. This mode is equivalent to single channel
bandwidth operation for real world applications. This mode is used when only a
single DIMM is installed or the memory capacities are unequal. Technology and
device width can vary from one channel to the other. If different speed DIMMs are
used between channels, the slowest memory timing will be used.
Flex mode. This mode provides the most flexible performance characteristics.
The bottommost DRAM memory (the memory that is lowest within the system
memory map) is mapped to dual channel operation; the topmost DRAM memory
(the memory that is nearest to the 8 GB address space limit), if any, is mapped to
single channel operation. Flex mode results in multiple zones of dual and single
channel operation across the whole of DRAM memory. To use flex mode, it is
necessary to populate both channels.

For information about...

Refer to:

Memory Configuration Examples

http://www.intel.com/support/motherboards/desktop/sb/
cs-011965.htm

17

Intel Desktop Board DG31PR Technical Product Specification

Figure 3 illustrates the memory channel and DIMM configuration.

Figure 3. Memory Channel and DIMM Configuration

18

Product Description

1.6

Intel(R) G31 Express Chipset

The Intel G31 Express chipset consists of the following devices:
o
o

Intel 82G31 Graphics and Memory Controller Hub (GMCH) with Direct Media
Interface (DMI) interconnect
Intel 82801GB I/O Controller Hub (ICH7) with DMI interconnect

The GMCH component provides interfaces to the CPU, memory, PCI Express, and the
DMI interconnect. The component also provides integrated graphics capabilities
supporting 3D, 2D, and display capabilities. The ICH7 is a centralized controller for
the board's I/O paths.
The chipset supports the following features:
o
o
o
o

Onboard Graphics
Dynamic Video Memory Technology
USB
Serial ATA

For information about

Refer to

The Intel G31 Express chipset

http://www.intel.com/products/desktop/chipsets/index.htm

Resources used by the chipset

Chapter 2

1.6.1

Intel G31 Graphics Subsystem

The Intel G31 Express chipset contains two separate, mutually exclusive graphics
options. Either the Intel Graphics Media Accelerator 3100 (Intel GMA 3100) graphics
controller (contained within the 82G31 GMCH) is used, or a PCI Express x16 add-in
card can be used. When a PCI Express x16 add-in card is installed, the Intel GMA
3100 graphics controller is disabled.

1.6.1.1

Intel(R) Graphics Media Accelerator 3100 Graphics
Controller

The Intel GMA 3100 graphics controller features the following:
o
o

400 MHz core frequency
High quality texture engine
? DX9.0c* and OpenGL* 1.4 compliant
? Hardware Pixel Shader 2.0

o

? Vertex Shader Model 2.0
3D Graphics Rendering enhancements
? 1.6 dual texture GigaPixel/sec max fill rate
? 16-bit and 32-bit color

o

? Vertex cache
Video
? Software DVD at 30 fps full screen
? DVMT support up to 256 MB

19

Intel Desktop Board DG31PR Technical Product Specification

o

Display
? Supports analog displays up to 2048 x 1536 at 75 Hz refresh (QXGA)
? Dual independent display support
? DDC2B compliant interface with Advanced Digital Display 2 card or Media
Expansion Card (ADD2/MEC), support for TV-out/TV-in and DVI digital display
connections

1.6.1.2

Dynamic Video Memory Technology (DVMT)

DVMT enables enhanced graphics and memory performance through highly efficient
memory utilization. DVMT ensures the most efficient use of available system memory
for maximum 2-D/3-D graphics performance. Up to 256 MB of system memory can be
allocated to DVMT on systems that have 512 MB or more of total system memory
installed. DVMT returns system memory back to the operating system when the
additional system memory is no longer required by the graphics subsystem.
DVMT will always use a minimal fixed portion of system physical memory (as set in the
BIOS Setup program) for compatibility with legacy applications. An example of this
would be when using VGA graphics under DOS. Once loaded, the operating system
and graphics drivers allocate additional system memory to the graphics buffer as
needed for performing graphics functions.

NOTE
The use of DVMT requires operating system driver support.

1.6.1.3

Configuration Modes

The video modes supported by this board are based on the Extended Display
Identification Data (EDID) modes of the monitor to which the system is connected.
Standard monitors are assumed.

1.6.1.4

Advanced Digital Display (ADD2/MEC) Card Support

The GMCH routes two multiplexed SDVO ports that are each capable of driving up to a
225 MHz pixel clock to the PCI Express x16 connector. When an ADD2/MEC card is
detected, the Intel GMA 3100 graphics controller is enabled and the PCI Express x16
connector is configured for SDVO mode. SDVO mode enables the SDVO ports to be
accessed by the ADD2/MEC card. An ADD2/MEC card can either be configured to
support simultaneous display or can be configured to support dual independent display
as an extended desktop configuration with different color depths and resolutions.
ADD2/MEC cards can be designed to support the following configurations:
o
o
o
o

20

Low Voltage Differential Signaling (LVDS)
Single device operating in dual channel mode
HDTV output
HDMI support (when used with the S/PDIF connector)

Product Description

1.6.2

USB

The board supports up to eight USB 2.0 ports, supports UHCI and EHCI, and uses
UHCI- and EHCI-compatible drivers.
The ICH7 provides the USB controller for all ports. The port arrangement is as
follows:
o
o

Four ports are implemented with stacked back panel connectors
Four ports are routed to two separate front panel USB headers

For information about

Refer to

The location of the USB connectors on the back panel

Figure 9, page 43

The location of the front panel USB headers

Figure 10, page 44

1.6.3

IDE Support

The board provides five IDE interface connectors:
o
o

One parallel ATA IDE connector that supports two devices
Four serial ATA IDE connectors that support one device per connector

1.6.3.1

Parallel ATE IDE Interface

The ICH7's Parallel ATA IDE controller has one bus-mastering Parallel ATA IDE
interface. The Parallel ATA IDE interface supports the following modes:
o
o
o
o
o

Programmed I/O (PIO): processor controls data transfer.
8237-style DMA: DMA offloads the processor, supporting transfer rates of up to
16 MB/sec.
Ultra DMA: DMA protocol on IDE bus supporting host and target throttling and
transfer rates of up to 33 MB/sec.
ATA-66: DMA protocol on IDE bus supporting host and target throttling and
transfer rates of up to 66 MB/sec. ATA-66 protocol is similar to Ultra DMA and is
device driver compatible.
ATA-100: DMA protocol on IDE bus allows host and target throttling. The ICH7's
ATA-100 logic can achieve read transfer rates up to 100 MB/sec and write transfer
rates up to 88 MB/sec.

NOTE
ATA-66 and ATA-100 are faster timings and require a specialized cable to reduce
reflections, noise, and inductive coupling.
The Parallel ATA IDE interface also supports ATAPI devices (such as CD-ROM drives)
and ATA devices using the transfer modes.
The BIOS supports Logical Block Addressing (LBA) and Extended Cylinder Head Sector
(ECHS) translation modes. The drive reports the transfer rate and translation mode to
the BIOS.
For information about

Refer to

The location of the Parallel ATA IDE connector

Figure 10, page 44

21

Intel Desktop Board DG31PR Technical Product Specification

1.6.3.2

Serial ATA Interfaces

The ICH7's Serial ATA controller offers four independent Serial ATA ports with a
theoretical maximum transfer rate of 3 Gbits/sec per port. One device can be installed
on each port for a maximum of four Serial ATA devices. A point-to-point interface is
used for host to device connections, unlike Parallel ATA IDE which supports a
master/slave configuration and two devices per channel.
For compatibility, the underlying Serial ATA functionality is transparent to the
operating system. The Serial ATA controller can operate in both legacy and native
modes. In legacy mode, standard IDE I/O and IRQ resources are assigned (IRQ 14
and 15). In Native mode, standard PCI Conventional bus resource steering is used.
Native mode is the preferred mode for configurations using the Windows* XP
operating system.

NOTE
Many Serial ATA drives use new low-voltage power connectors and require adaptors or
power supplies equipped with low-voltage power connectors.
For more information, see: http://www.serialata.org/
For information about
The location of the Serial ATA IDE connectors

1.7

Refer to
Figure 10, page 44

Real-Time Clock Subsystem

A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When
the computer is not plugged into a wall socket, the battery has an estimated life of
three years. When the computer is plugged in, the standby current from the power
supply extends the life of the battery. The clock is accurate to ? 13 minutes/year at
25 ?C with 3.3 VSB applied.

NOTE
If the battery and AC power fail, custom defaults, if previously saved, will be loaded
into CMOS RAM at power-on.
When the voltage drops below a certain level, the BIOS Setup program settings stored
in CMOS RAM (for example, the date and time) might not be accurate. Replace the
battery with an equivalent one. Figure 1 on page 12 shows the location of the battery.

22

Product Description

1.8 Legacy I/O Controller
The Winbond W83672DHG-A Legacy I/O controller provides the following features:
o
o
o
o
o

Serial IRQ interface compatible with serialized IRQ support for PCI Conventional
bus systems
Serial port via an onboard header
PS/2-style mouse and keyboard interfaces
Intelligent power management, including a programmable wake-up event interface
PCI Conventional bus power management support

The BIOS Setup program provides configuration options for the I/O controller.

1.8.1

Keyboard and Mouse Interface

PS/2 keyboard and mouse connectors are located on the back panel.

NOTE
The keyboard is supported in the bottom PS/2 connector and the mouse is supported
in the top PS/2 connector. Power to the computer should be turned off before a
keyboard or mouse is connected or disconnected.
For information about

Refer to

The location of the keyboard and mouse connectors

Figure 9, page 43

23

Intel Desktop Board DG31PR Technical Product Specification

1.9

Audio Subsystem

The board supports the Intel High Definition audio subsystem based on the Realtek
ALC888 audio codec. The audio subsystem supports the following features:
o

o
o
o

1.9.1

Advanced jack sense for the back panel audio jacks that enables the audio codec to
recognize the device that is connected to an audio port. The back panel audio
jacks are capable of retasking according to user's definition, or can be
automatically switched depending on the recognized device type.
Stereo input and output for all back panel jacks
Line out and mic in functions for front panel audio jacks
A signal-to-noise (S/N) ratio of 95 dB

Audio Subsystem Software

Audio software and drivers are available from Intel's World Wide Web site.
For information about

Refer to

Obtaining audio software and drivers

Section 1.2, page 15

1.9.2

Audio Connectors

The board contains audio connectors/headers on both the back panel and the
component side of the board. The front panel audio header provides mic in and line
out signals for the front panel.
For information about
The location of the front panel audio header

Figure 10, page 44

The signal names of the front panel audio header

Table 10, page 46

The back panel audio connectors

24

Refer to

Section 2.2.1, page 43

Product Description

1.9.3

6-Channel (5.1) Audio Subsystem

The 6-channel (5.1) audio subsystem includes the following:
o
o
o
o

Intel 82801GB I/O Controller Hub (ICH7)
Realtek ALC888 audio codec
Microphone input that supports a single dynamic, condenser, or electret
microphone
S/PDIF connector on board (see Figure 1 on page 12 for location)

The back panel audio connectors are configurable through the audio device drivers.
The available configurable audio ports are shown in Figure 4.

Item

Description

A

Line in

B

Line out

C

Mic in

Figure 4. Back Panel Audio Connector Options
For information about

Refer to

The back panel audio connectors

Section 2.2.1, page 43

25

Intel Desktop Board DG31PR Technical Product Specification

1.10 LAN Subsystem
The LAN subsystem consists of the following:
o
o

Realtek RTL8111-GR Gigabit Ethernet Controller for 10/100/1000 Mbits/sec
Ethernet LAN connectivity
RJ-45 LAN connector with integrated status LEDs

Additional features of the LAN subsystem include:
o CSMA/CD protocol engine
o LAN connect interface between ICH7 and the LAN controller
o PCI Conventional bus power management
? ACPI technology support
o

? LAN wake capabilities
LAN subsystem software

For information about

Refer to

LAN software and drivers

http://downloadcenter.intel.com

1.10.1

Realtek RTL8111-GR Gigabit Ethernet Controller

The Realtek RTL8111-GR Gigabit Ethernet Controller provides the following functions:
o
o
o
o

26

10/100/1000 Ethernet LAN connectivity
Full device driver compatibility
Programmable transit threshold
Configuration EEPROM that contains the MAC address

Product Description

1.10.2

LAN Subsystem Software

LAN software and drivers are available from Intel's World Wide Web site.
For information about

Refer to

Obtaining LAN software and drivers

Section 1.2, page 15

1.10.3

RJ-45 LAN Connector with Integrated LEDs

Two LEDs are built into the RJ-45 LAN connector (shown in Figure 5 below).

Item

Description

A

Link LED (Green)

B

Data Rate LED (Green/Yellow)

Figure 5. LAN Connector LED Locations
Table 4 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 4. LAN Connector LED States
LED

LED Color

Link

Green

LED State

Condition

Off

LAN activity is occurring.

Off
Green/Yellow

LAN link is established.

Blinking
Data Rate

LAN link is not established.

On

10 Mbits/sec data rate is selected.

Green

100 Mbits/sec data rate is selected.

Yellow

1000 Mbits/sec data rate is selected.

27

Intel Desktop Board DG31PR Technical Product Specification

1.11 Hardware Management Subsystem
The hardware management features enable the board to be compatible with the Wired
for Management (WfM) specification. The board has several hardware management
features, including the following:
o
o
o

Fan monitoring and control
Thermal and voltage monitoring
Chassis intrusion detection

1.11.1

Hardware Monitoring and Fan Control

The features of the hardware monitoring and fan control include:
o
o
o
o
o

Fan speed control controllers and sensors integrated into the legacy I/O controller
Remote thermal diode sensor for ambient temperature sensing
Thermal sensors in the processor, 82G31 GMCH, and ICH7
Power supply monitoring of five voltages (+5 V, +12 V, +3.3 VSB, +1.25 V, and
+VCCP) to detect levels above or below acceptable values
Thermally monitored closed-loop fan control, for all three fans, that can adjust the
fan speed or switch the fans on or off as needed

1.11.2

Fan Monitoring

Fan monitoring can be implemented using Intel(R) Desktop Utilities or third-party
software.
For information about

Refer to

The functions of the fan headers

Section 1.12.2.2, page 34

1.11.3

Chassis Intrusion and Detection

The board supports a chassis security feature that detects if the chassis cover is
removed. The security feature uses a mechanical switch on the chassis that attaches
to the chassis intrusion header. When the chassis cover is removed, the mechanical
switch is in the closed position.
For information about

28

Refer to

The location of the chassis intrusion header

Figure 10, page 44

Product Description

1.11.4

Thermal Monitoring

Figure 6 shows the locations of the thermal sensors and fan headers.

Item

Description

A

Rear chassis fan

B

Thermal diode, located on processor die

C

Processor fan

D

Thermal diode, located on the GMCH die

E

Thermal diode, located on the ICH die

F

Front chassis fan

Figure 6. Thermal Sensors and Fan Headers

NOTE
The minimum thermal reporting threshold for the GMCH is 66 °C. The GMCH thermal
sensor will report 66 °C until the temperature rises above this point.

29

Intel Desktop Board DG31PR Technical Product Specification

1.12 Power Management
Power management is implemented at several levels, including:
o
o

Software support through Advanced Configuration and Power Interface (ACPI)
Hardware support:
? Power connector
? Fan headers
? LAN wake capabilities
? Instantly Available PC technology
? Wake from USB
? Power Management Event signal (PME#) wake-up support
? Wake# signal wake-up support
? +5V standby power indicator LED

1.12.1

ACPI

ACPI gives the operating system direct control over the power management and Plug
and Play functions of a computer. The use of ACPI with the board requires an
operating system that provides full ACPI support. ACPI features include:
o
o
o
o
o
o

Plug and Play (including bus and device enumeration)
Power management control of individual devices, add-in boards (some add-in
boards may require an ACPI-aware driver), video displays, and hard disk drives
Methods for achieving less than 15-watt system operation in the power-on/standby
sleeping state
A Soft-off feature that enables the operating system to power-off the computer
Support for multiple wake-up events (see Table 7 on page 32)
Support for a front panel power and sleep mode switch

Table 5 lists the system states based on how long the power switch is pressed,
depending on how ACPI is configured with an ACPI-aware operating system.
Table 5. Effects of Pressing the Power Switch
If the system is in this
state...
Off
(ACPI G2/G5 - Soft off)

Less than four seconds

Power-on
(ACPI G0 - working state)

On
(ACPI G0 - working state)

Less than four seconds

Soft-off/Standby
(ACPI G1 - sleeping state)

On
(ACPI G0 - working state)

More than four seconds

Fail safe power-off
(ACPI G2/G5 - Soft off)

Sleep
(ACPI G1 - sleeping state)

Less than four seconds

Wake-up
(ACPI G0 - working state)

Sleep
(ACPI G1 - sleeping state)

30

...and the power switch
is pressed for

More than four seconds

Power-off
(ACPI G2/G5 - Soft off)

...the system enters this state

Product Description

1.12.1.1

System States and Power States

Under ACPI, the operating system directs all system and device power state
transitions. The operating system puts devices in and out of low-power states based
on user preferences and knowledge of how devices are being used by applications.
Devices that are not being used can be turned off. The operating system uses
information from applications and user settings to put the system as a whole into a
low-power state.
Table 6 lists the power states supported by the board along with the associated
system power targets. See the ACPI specification for a complete description of the
various system and power states.
Table 6. Power States and Targeted System Power
Global
States

Sleeping States

Processor
States

G0 - working
state

S0 - working

C0 - working

D0 - working
state.

Full power & gt; 30 W

G1 - sleeping
state

S1 - Processor
stopped

C1 - stop
grant

D1, D2, D3 -
device
specification
specific.

5 W & lt; power & lt; 52.5 W

G1 - sleeping
state

S3 - Suspend to
RAM. Context
saved to RAM.

No power

D3 - no power
except for
wake-up logic.

Power & lt; 5 W (Note 2)

G1 - sleeping
state

S4 - Suspend to
disk. Context
saved to disk.

No power

D3 - no power
except for
wake-up logic.

Power & lt; 5 W (Note 2)

G2/S5

S5 - Soft off.
Context not saved.
Cold boot is
required.

No power

D3 - no power
except for
wake-up logic.

Power & lt; 5 W (Note 2)

G3 -
mechanical off.
AC power is
disconnected
from the
computer.

No power to the
system.

No power

D3 - no power for
wake-up logic,
except when
provided by
battery or
external source.

No power to the system.
Service can be performed
safely.

Device States

Targeted System
Power (Note 1)

Notes:
1.

Total system power is dependent on the system configuration, including add-in boards and peripherals
powered by the system chassis' power supply.

2.

Dependent on the standby power consumption of wake-up devices used in the system.

31

Intel Desktop Board DG31PR Technical Product Specification

1.12.1.2 ENERGY STAR*
In 2007, the US Department of Energy and the US Environmental Protection Agency
revised the ENERGY STAR* requirements. Intel has worked directly with these two
governmental agencies to define the new requirements. Currently Intel Desktop
Boards meet the new requirements.
For information about

Refer to

ENERGY STAR requirements and recommended configurations

http://www.intel.com/go/energystar

1.12.1.3

Wake-up Devices and Events

Table 7 lists the devices or specific events that can wake the computer from specific
states.
Table 7. Wake-up Devices and Events
These devices/events can wake up the computer...

...from this state

LAN

S1, S3, S4, S5 (Note 1)

PME# signal

S1, S3, S4, S5 (Note 1)

Power switch

S1, S3, S4, S5

RTC alarm

S3, S4, S5

Serial port

S3

USB

S3

WAKE# signal

S1, S3, S4, S5

Notes:
1.

For LAN and PME# signal, S5 is disabled by default in the BIOS Setup program. Setting this option to
Power On will enable a wake-up event from LAN in the S5 state.

2.

Wake from S4 and S5 is optional by the specification.

NOTE
The use of these wake-up events from an ACPI state requires an operating system
that provides full ACPI support. In addition, software, drivers, and peripherals must
fully support ACPI wake events.

32

Product Description

1.12.2

Hardware Support

CAUTION
Ensure that the power supply provides adequate +5 V standby current if LAN wake
capabilities and Instantly Available PC technology features are used. Failure to do so
can damage the power supply. The total amount of standby current required depends
on the wake devices supported and manufacturing options.
The board provides several power management hardware features, including:
o
o
o
o
o
o
o
o

Power connector
Fan headers
LAN wake capabilities
Instantly Available PC technology
Wake from USB
PME# signal wake-up support
WAKE# signal wake-up support
+5V standby power indicator LED

LAN wake capabilities and Instantly Available PC technology require power from the
+5 V standby line.

NOTE
The use of Wake from USB from an ACPI state requires an operating system that
provides full ACPI support.

1.12.2.1

Power Connector

ATX12V-compliant power supplies can turn off the system power through system
control. When an ACPI-enabled system receives the correct command, the power
supply removes all non-standby voltages.
When resuming from an AC power failure, the computer returns to the power state it
was in before power was interrupted (on or off). The computer's response can be set
using the Last Power State feature in the BIOS Setup program's Boot menu.
For information about

Refer to

The location of the main power connector

Figure 10, page 44

The signal names of the main power connector

Table 19, page 49

33

Intel Desktop Board DG31PR Technical Product Specification

1.12.2.2

Fan Headers

The function/operation of the fan headers is as follows:
o
o
o

o

The fans are on when the board is in the S0 state.
The fans are off when the board is off or in the S3, S4, or S5 state.
The processor fan header is wired to a fan tachometer input and the Front and
Rear fan headers share the tachometer input of the hardware monitoring and fan
control device. All fan headers support closed-loop fan control that can adjust the
fan speed or switch the fan on or off as needed.
All fan headers have a +12 V DC connection.

For information about

Refer to

The locations of the fan headers and thermal sensors

Figure 6, page 29

The signal names of the processor fan header

Table 16, page 47

The signal names of the chassis fan headers

Table 15, page 47

1.12.2.3

LAN Wake Capabilities

CAUTION
For LAN wake capabilities, the +5 V standby line from the power supply must be
capable of providing adequate +5 V standby current. Failure to provide adequate
standby current when implementing LAN wake capabilities can damage the power
supply.
LAN wake capabilities enable remote wake-up of the computer through a network.
The LAN subsystem PCI bus network adapter monitors network traffic at the Media
Independent Interface. Upon detecting a Magic Packet* frame, the LAN subsystem
asserts a wake-up signal that powers up the computer. Depending on the LAN
implementation, the board supports LAN wake capabilities with ACPI in the following
ways:
o
o

The PCI Express WAKE# signal
The PCI bus PME# signal for PCI 2.3 compliant LAN designs
? By Ping

o

34

? Magic Packet
The onboard LAN subsystem

Product Description

1.12.2.4

Instantly Available PC Technology

CAUTION
For Instantly Available PC technology, the +5 V standby line from the power supply
must be capable of providing adequate +5 V standby current. Failure to provide
adequate standby current when implementing Instantly Available PC technology can
damage the power supply.
Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-toRAM) sleep-state. While in the S3 sleep-state, the computer will appear to be off (the
power supply is off, and the front panel LED is amber if dual colored, or off if single
colored.) When signaled by a wake-up device or event, the system quickly returns to
its last known wake state. Table 7 on page 32 lists the devices and events that can
wake the computer from the S3 state.
The board supports the PCI Bus Power Management Interface Specification. Add-in
boards that also support this specification can participate in power management and
can be used to wake the computer.
The use of Instantly Available PC technology requires operating system support and
PCI 2.3 compliant add-in cards and drivers.

35

Intel Desktop Board DG31PR Technical Product Specification

1.12.2.5

Wake from USB

USB bus activity wakes the computer from ACPI S1 and S3 state.

NOTE
Wake from USB requires the use of a USB peripheral that supports Wake from USB
and support in the operating system.

1.12.2.6

PME# Signal Wake-up Support

When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI
S1, S3, S4, or S5 state (with Wake on PME enabled in BIOS).

1.12.2.7

WAKE# Signal Wake-up Support

When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from
an ACPI S1, S3, S4, or S5 state.

1.12.2.8

+5 V Standby Power Indicator LED

The +5 V standby power indicator LED shows that power is still present even when the
computer appears to be off. Figure 7 shows the location of the standby power
indicator LED.

CAUTION
If AC power has been switched off and the standby power indicator is still lit,
disconnect the power cord before installing or removing any devices connected to the
board. Failure to do so could damage the board and any attached devices.

36

Product Description

Figure 7. Location of the Standby Power Indicator LED

37

Intel Desktop Board DG31PR Technical Product Specification

38

2

Technical Reference

What This Chapter Contains
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8

2.1
2.1.1

Memory Map................................................................................... 39
Connectors and Headers................................................................... 42
Jumper Block .................................................................................. 53
Mechanical Considerations ................................................................ 54
Electrical Considerations ................................................................... 55
Thermal Considerations .................................................................... 56
Reliability ....................................................................................... 58
Environmental ................................................................................ 58

Memory Map
Addressable Memory

The board utilizes 4 GB of addressable system memory. Typically the address space
that is allocated for PCI Conventional bus add-in cards, PCI Express configuration
space, BIOS (SPI Flash), and chipset overhead resides above the top of DRAM (total
system memory). On a system that has 4 GB of system memory installed, it is not
possible to use all of the installed memory due to system address space being
allocated for other system critical functions. These functions include the following:
o
o
o
o
o
o
o

BIOS/SPI Flash (4 Mb)
Local APIC (19 MB)
Digital Media Interface (40 MB)
Front side bus interrupts (17 MB)
PCI Express configuration space (256 MB)
GMCH base address registers, internal graphics ranges, PCI Express ports (up to
512 MB)
Memory-mapped I/O that is dynamically allocated for PCI Conventional and PCI
Express add-in cards

39

Intel Desktop Board DG31PR Technical Product Specification

The amount of installed memory that can be used will vary based on add-in cards and
BIOS settings. Figure 8 shows a schematic of the system memory map. All installed
system memory can be used when there is no overlap of system addresses.

Figure 8. Detailed System Memory Address Map

40

Technical Reference

Table 8 lists the system memory map.
Table 8. System Memory Map
Address Range
(decimal)

Address Range
(hex)

Size

Description

1024 K - 4194304 K

100000 - FFFFFFFF

4095 MB

Extended memory

960 K - 1024 K

F0000 - FFFFF

64 KB

Runtime BIOS

896 K - 960 K

E0000 - EFFFF

64 KB

Reserved

800 K - 896 K

C8000 - DFFFF

96 KB

Potential available high DOS
memory (open to the PCI
Conventional bus). Dependent on
video adapter used.

640 K - 800 K

A0000 - C7FFF

160 KB

Video memory and BIOS

639 K - 640 K

9FC00 - 9FFFF

1 KB

Extended BIOS data (movable by
memory manager software)

512 K - 639 K

80000 - 9FBFF

127 KB

Extended conventional memory

0 K - 512 K

00000 - 7FFFF

512 KB

Conventional memory

41

Intel Desktop Board DG31PR Technical Product Specification

2.2

Connectors and Headers

CAUTION
Only the following connectors and headers have overcurrent protection: Back panel
and front panel USB and PS/2.
The other internal connectors/headers are not overcurrent protected and should
connect only to devices inside the computer's chassis, such as fans and internal
peripherals. Do not use these connectors/headers to power devices external to the
computer's chassis. A fault in the load presented by the external devices could cause
damage to the computer, the power cable, and the external devices themselves.

NOTE
Computer systems that have an unshielded cable attached to a USB port may not
meet FCC Class B requirements, even if no device is attached to the cable. Use
shielded cable that meets the requirements for full-speed devices.
This section describes the board's connectors and headers. The connectors and
headers can be divided into these groups:
o
o

42

Back panel I/O connectors (see page 43)
Component-side connectors and headers (see page 44)

Technical Reference

2.2.1

Back Panel Connectors

Figure 9 shows the location of the back panel connectors.

Item

Description

A

PS/2 mouse port

B

PS/2 keyboard port

C

VGA output

D

USB ports [4]

E

LAN

F

Audio line in

G

Mic in

H

Audio line out

Figure 9. Back Panel Connectors

NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.

43

Intel Desktop Board DG31PR Technical Product Specification

2.2.2

Component-side Connectors and Headers

Figure 10 shows the locations of the component-side connectors and headers.

Figure 10. Component-side Connectors and Headers

44

Technical Reference

Table 9 lists the component-side connectors and headers identified in Figure 10.
Table 9. Component-side Connectors and Headers Shown in Figure 10
Item/callout
from Figure 10
A

Description
PCI Conventional bus add-in card connector

B

PCI Conventional bus add-in card connector

C

PCI Express x1 add-in card connector

D

PCI Express x16 add-in card connector

E

S/PDIF connector

F

Processor core power connector (2 X 2)

G

Rear chassis fan header

H

Processor fan header

I

Chassis intrusion header

J

Serial port header

K

Diskette drive connector

L

Main power connector (2 X 12)

M

Parallel ATA connector

N

Serial ATA connector

O

Serial ATA connector

P

Serial ATA connector

Q

Serial ATA connector

R

Front panel header

S

Auxiliary front panel power LED header

T

Front panel USB header

U

Front panel USB header

V

Front chassis fan header

W

Front panel audio header

45

Intel Desktop Board DG31PR Technical Product Specification

2.2.2.1

Signal Tables for the Connectors and Headers

Table 10. Front Panel Audio Header
Pin

Signal Name

Pin

Signal Name

1

[Port 2] Left channel

2

Ground

3

[Port 2] Right channel

4

PRESENCE# (Dongle present)

5

[Port 1] Right channel

6

[Port 1] SENSE_RETURN

7

SENSE_SEND (Jack detection)

8

Key (no pin)

9

[Port 2] Left channel

10

[Port 2] SENSE_RETURN

Table 11. Serial ATA Connectors
Pin

Signal Name

1

Ground

2

TXP

3

TXN

4

Ground

5

RXN

6

RXP

7

Ground

Table 12. Serial Port Header
Pin

Signal Name

Pin

Signal Name

1

DCD

2

RXD#

3

TXD#

4

DTR

5

Ground

6

DSR

7

RTS

8

CTS

9

RI

10

Key (no pin)

Table 13. S/PDIF Connector
Pin

Signal Name

1

S/PDIF out

3

46

VCC

2

Ground

Technical Reference

Table 14. Chassis Intrusion Header
Pin

Signal Name

1

Intruder

2

Ground

Table 15. Front and Rear Chassis (3-Pin) Fan Headers
Pin

Signal Name

1

Control

2

+12 V

3

Tach

Table 16. Processor (4-Pin) Fan Header
Pin

Signal Name

1

Ground

2

+12 V

3

FAN_TACH

4

FAN_CONTROL

2.2.2.2

Add-in Card Connectors

The board has the following add-in card connectors:
o

o

o

PCI Express x16: one connector supporting simultaneous transfer speeds up to
4 GBytes/sec of peak bandwidth per direction and up to 8 GBytes/sec concurrent
bandwidth.
PCI Express x1: one PCI Express x1 connectors. The x1 interface supports
simultaneous transfer speeds up to 250 Mbytes/sec of peak bandwidth per
direction and up to 500 MBytes/sec concurrent bandwidth.
PCI Conventional (rev 2.3 compliant) bus: two PCI Conventional bus add-in card
connector. PCI Conventional bus add-in cards with SMBus support can access
sensor data and other information residing on the board.

Note the following considerations for the PCI Conventional bus connectors:
o
o

The PCI Conventional bus connector is bus master capable.
SMBus signals are routed to the PCI Conventional bus connectors. This enables
PCI Conventional bus add-in boards with SMBus support to access sensor data on
the board. The specific SMBus signals are as follows:
? The SMBus clock line is connected to pin A40.
? The SMBus data line is connected to pin A41.

47

Intel Desktop Board DG31PR Technical Product Specification

2.2.2.3

Auxiliary Front Panel Power/Sleep LED Header

Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel
header.
Table 17. Auxiliary Front Panel Power/Sleep LED Header
Pin

Signal Name

In/Out

Description

1

HDR_BLNK_GRN

Out

Front panel green LED

Out

Front panel yellow LED

2

Not connected

3

HDR_BLNK_YEL

2.2.2.4

Power Supply Connectors

The board has the following power supply connectors:
o

o

Main power - a 2 x 12 connector. This connector is compatible with 2 x 10
connectors previously used on Intel Desktop boards. The board supports the use
of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When
using a power supply with a 2 x 10 main power cable, attach that cable on the
rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24
unconnected.
Processor core power - a 2 x 2 connector. This connector provides power
directly to the processor voltage regulator and must always be used. Failure to do
so will prevent the board from booting.

Table 18. Processor Core Power Connector
Pin
1
3

48

Signal Name

Pin

Signal Name

Ground

2

Ground

+12 V

4

+12 V

Technical Reference

Table 19. Main Power Connector
Pin

Signal Name

Pin

Signal Name

1

+3.3 V

13

+3.3 V

2

+3.3 V

14

-12 V

3

Ground

15

Ground

4

+5 V

16

PS-ON# (power supply remote on/off)

5

Ground

17

Ground

6

+5 V

18

Ground

7

Ground

19

Ground

8

PWRGD (Power Good)

20

No connect

9

+5 V (Standby)

21

+5 V

10

+12 V

22

+5 V

11

+12 V (Note)

23

+5 V (Note)

12

2 x 12 connector detect (Note)

24

Ground (Note)

Note: When using a 2 x 10 power supply cable, this pin will be unconnected.

For information about

Refer to

Power supply considerations

Section 2.5.1, page 55

49

Intel Desktop Board DG31PR Technical Product Specification

2.2.2.5

Front Panel Header

This section describes the functions of the front panel header. Table 20 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 20. Front Panel Header
Pin

In/
Out

Signal

Description

Hard Drive Activity LED

Pin

Signal

In/
Out

Description

Power LED

1

HD_PWR

Out

Hard disk LED
pull-up to +5 V

2

HDR_BLNK_GRN

Out

Front panel green
LED

3

HDA#

Out

Hard disk active
LED

4

HDR_BLNK_YEL

Out

Front panel yellow
LED

In

Power switch

Reset Switch

On/Off Switch

5

Ground

7

FP_RESET#

Ground
In

6

FPBUT_IN

Reset switch

8

Ground

Power
9

Ground

Not Connected
+5 V

Power

10

N/C

Not connected

Figure 11. Connection Diagram for Front Panel Header

50

Technical Reference

2.2.2.5.1

Hard Drive Activity LED Header

Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is
being read from or written to a hard drive. Proper LED function requires one of the
following:
o
o

A Serial ATA hard drive connected to an onboard Serial ATA connector
A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector

2.2.2.5.2

Reset Switch Header

Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type
switch that is normally open. When the switch is closed, the board resets and runs the
POST.
2.2.2.5.3

Power/Sleep LED Header

Pins 2 and 4 can be connected to a one- or two-color LED. Table 21 shows the
possible states for a one-color LED. Table 22 shows the possible states for a two-color
LED.
Table 21. States for a One-Color Power LED
LED State

Description

Off

Power off/sleeping

Steady Green

Running

Table 22. States for a Two-Color Power LED
LED State

Description

Off

Power off

Steady Green

Running

Steady Yellow

Sleeping

NOTE
The colors listed in Table 21 and Table 22 are suggested colors only. Actual LED
colors are chassis-specific.
2.2.2.5.4

Power Switch Header

Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The
switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power
supply to switch on or off. (The time requirement is due to internal debounce circuitry
on the board.) At least two seconds must pass before the power supply will recognize
another on/off signal.

51

Intel Desktop Board DG31PR Technical Product Specification

2.2.2.6

Front Panel USB Headers

Figure 12 is a connection diagram for the front panel USB headers.

INTEGRATOR'S NOTES
o
o

The +5 V DC power on the USB headers is fused.
Use only a front panel USB connector that conforms to the USB 2.0 specification
for high-speed USB devices.

Figure 12. Connection Diagram for Front Panel USB Headers

52

Technical Reference

2.3

Jumper Block

CAUTION
Do not move the jumper with the power on. Always turn off the power and unplug the
power cord from the computer before changing a jumper setting. Otherwise, the
board could be damaged.
Figure 13 shows the location of the jumper block. The jumper determines the BIOS
Setup program's mode. Table 23 lists the jumper settings for the three modes:
normal, configure, and recovery. When the jumper is set to configure mode and the
computer is powered-up, the BIOS compares the processor version and the microcode
version in the BIOS and reports if the two match.

Figure 13. Location of the Jumper Block
Table 23. BIOS Setup Configuration Jumper Settings
Function/Mode

Jumper Setting

Configuration

Normal

1-2

The BIOS uses current configuration information and
passwords for booting.
3 2 1

Configure

2-3

After the POST runs, Setup runs automatically. The
maintenance menu is displayed.
3 2 1

Recovery

None
3 2 1

The BIOS attempts to recover the BIOS configuration. See
Section 3.7 for more information on BIOS recovery.

53

Intel Desktop Board DG31PR Technical Product Specification

2.4
2.4.1

Mechanical Considerations
Form Factor

The board is designed to fit into an ATX-form-factor chassis. Figure 14 illustrates the
mechanical form factor for the board. Dimensions are given in inches [millimeters].
The outer dimensions are 8.60 inches by 9.60 inches [218.44 millimeters by
243.84 millimeters]. The locations of the I/O connectors and mounting holes are in
compliance with the ATX specification.

Figure 14. Board Dimensions

54

Technical Reference

2.5

Electrical Considerations

2.5.1

Power Supply Considerations

CAUTION
The +5 V standby line from the power supply must be capable of providing adequate
+5 V standby current. Failure to do so can damage the power supply. The total
amount of standby current required depends on the wake devices supported and
manufacturing options.
Additional power required will depend on configurations chosen by the integrator.
The power supply must comply with the indicated parameters of the ATX form factor
specification.
o The potential relation between 3.3 VDC and +5 VDC power rails
o The current capability of the +5 VSB line
o All timing parameters
o All voltage tolerances
For example, for a system consisting of a supported 65 W processor (see Section 1.4
on page 15 for a list of supported processors), 1 GB DDR2 RAM, one hard disk drive,
one optical drive, and all board peripherals enabled, the minimum recommended
power supply is 300 W. Table 24 lists the recommended power supply current values
Table 24. Recommended Power Supply Current Values
Output Voltage

3.3 V

5V

12 V1

12 V2

-12 V

5 VSB

Current

15 A

15 A

10 A

10 A

0.3 A

3.0 A

For information about

Refer to

Selecting an appropriate power supply

http://support.intel.com/support/motherboards/desktop/sb/
CS-026472.htm

2.5.2

Fan Header Current Capability

CAUTION
The processor fan must be connected to the processor fan header, not to a chassis fan
header. Connecting the processor fan to a chassis fan header may result in onboard
component damage that will halt fan operation.
Table 25 lists the current capability of the fan headers.
Table 25. Fan Header Current Capability
Fan Header

Maximum Available Current

Processor fan

2.0 A

Front chassis fan

1.5 A

Rear chassis fan

1.5 A

55

Intel Desktop Board DG31PR Technical Product Specification

2.5.3

Add-in Board Considerations

The board is designed to provide 2 A (average) of +5 V current for each add-in board.
The total +5 V current draw for add-in boards for a fully loaded board (all three
expansion slots and the PCI Express x16 connector filled) must not exceed 8 A.

2.6

Thermal Considerations

CAUTION
A chassis with a maximum internal ambient temperature of 38 oC at the processor fan
inlet is a requirement. Use a processor heat sink that provides omni-directional
airflow to maintain required airflow across the processor voltage regulator area.

CAUTION
Failure to ensure appropriate airflow may result in reduced performance of both the
processor and/or voltage regulator or, in some instances, damage to the board. For a
list of chassis that have been tested with Intel desktop boards please refer to the
following website:
http://developer.intel.com/design/motherbd/cooling.htm
All responsibility for determining the adequacy of any thermal or system design
remains solely with the reader. Intel makes no warranties or representations that
merely following the instructions presented in this document will result in a system
with adequate thermal performance.

CAUTION
Ensure that the ambient temperature does not exceed the board's maximum operating
temperature. Failure to do so could cause components to exceed their maximum case
temperature and malfunction. For information about the maximum operating
temperature, see the environmental specifications in Section 2.8.

CAUTION
Ensure that proper airflow is maintained in the processor voltage regulator circuit.
Failure to do so may result in damage to the voltage regulator circuit. The processor
voltage regulator area (shown in Figure 15) can reach a temperature of up to 85 oC in
an open chassis.

56

Technical Reference

Figure 15 shows the locations of the localized high temperature zones.

Item

Description

A

Processor voltage regulator area

B

Processor

C

Intel 82G31 GMCH

D

Intel 82801GB ICH7

Figure 15. Localized High Temperature Zones
Table 26 provides maximum case temperatures for the board components that are
sensitive to thermal changes. The operating temperature, current load, or operating
frequency could affect case temperatures. Maximum case temperatures are important
when considering proper airflow to cool the board.
Table 26. Thermal Considerations for Components
Component

Maximum Case Temperature

Processor

For processor case temperature, see processor datasheets and
processor specification updates

Intel 82G31 GMCH

97 oC (under bias)

Intel 82801GB ICH7

92 oC (under bias)

For information about

Refer to

Processor datasheets and specification updates

Section 1.2, page 15

57

Intel Desktop Board DG31PR Technical Product Specification

2.7

Reliability

The Mean Time Between Failures (MTBF) prediction is calculated using component and
subassembly random failure rates. The calculation is based on the Bellcore Reliability
Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF
prediction is used to estimate repair rates and spare parts requirements.
The MTBF data is calculated from predicted data at 55 ?C. The Desktop Board
DG31PR MTBF is 188,486 hours.

2.8

Environmental

Table 27 lists the environmental specifications for the board.
Table 27. Desktop Board DG31PR Environmental Specifications
Parameter

Specification

Temperature
Non-Operating

-40 °C to +70 °C

Operating

0 °C to +55 °C

Shock
Unpackaged

50 g trapezoidal waveform
Velocity change of 170 inches/second?

Packaged

Half sine 2 millisecond
Product weight (pounds)

Free fall (inches)

Velocity change
(inches/sec?)

& lt; 20

36

167

21-40

30

152

41-80

24

136

81-100

18

118

Vibration
Unpackaged

5 Hz to 20 Hz: 0.01 g? Hz sloping up to 0.02 g? Hz
20 Hz to 500 Hz: 0.02 g? Hz (flat)

Packaged

10 Hz to 40 Hz: 0.015 g? Hz (flat)
40 Hz to 500 Hz: 0.015 g? Hz sloping down to 0.00015 g? Hz

58

3

Overview of BIOS Features

What This Chapter Contains
3.1 Introduction ...................................................................................
3.2 BIOS Flash Memory Organization .......................................................
3.3 Resource Configuration ....................................................................
3.4 System Management BIOS (SMBIOS).................................................
3.5 Legacy USB Support ........................................................................
3.6 BIOS Updates .................................................................................
3.7 BIOS Recovery................................................................................
3.8 Boot Options...................................................................................
3.9 Adjusting Boot Speed.......................................................................
3.10 BIOS Security Features ....................................................................

3.1

59
60
60
61
62
63
64
65
66
67

Introduction

The board uses an Intel BIOS that is stored in the Serial Peripheral Interface Flash
Memory (SPI Flash) and can be updated using a disk-based program. The SPI Flash
contains the BIOS Setup program, POST, the PCI auto-configuration utility, LAN
EEPROM information, and Plug and Play support.
The BIOS displays a message during POST identifying the type of BIOS and a revision
code. The initial production BIOSs are identified as PRG3110H.86A.
When the BIOS Setup configuration jumper is set to configure mode and the computer
is powered-up, the BIOS compares the CPU version and the microcode version in the
BIOS and reports if the two match.
The BIOS Setup program can be used to view and change the BIOS settings for the
computer. The BIOS Setup program is accessed by pressing the & lt; F2 & gt; key after the
Power-On Self-Test (POST) memory test begins and before the operating system boot
begins. The menu bar is shown below.
Maintenance Main

Advanced

Security

Power

Boot

Exit

NOTE
The maintenance menu is displayed only when the board is in configure mode.
Section 2.3 on page 53 shows how to put the board in configure mode.

59

Intel Desktop Board DG31PR Technical Product Specification

Table 28 lists the BIOS Setup program menu features.
Table 28. BIOS Setup Program Menu Bar
Maintenance

Main

Advanced

Security

Power

Boot

Exit

Clears

Displays

Configures

Sets

Configures

Selects boot

Saves or

passwords and

processor

advanced

passwords

power

options

discards

displays

and memory

features

and security

management

changes to

processor

configuration

available

features

features and

Setup

through the

power supply

program

chipset

controls

options

information

Table 29 lists the function keys available for menu screens.
Table 29. BIOS Setup Program Function Keys
BIOS Setup Program
Function Key

Description

&amp; lt; <- &amp; gt; or &amp; lt; -> &amp; gt;

Selects a different menu screen (Moves the cursor left or right)

&amp; lt; ? &amp; gt; or &amp; lt; ? &amp; gt;

Selects an item (Moves the cursor up or down)

&amp; lt; Tab &amp; gt;

Selects a field (Not implemented)

&amp; lt; Enter &amp; gt;

Executes command or selects the submenu

&amp; lt; F9 &amp; gt;

Load the default configuration values for the current menu

&amp; lt; F10 &amp; gt;

Save the current values and exits the BIOS Setup program

&amp; lt; Esc &amp; gt;

Exits the menu

3.2

BIOS Flash Memory Organization

The Serial Peripheral Interface Flash Memory (SPI Flash) includes a 4 Mbit (512 KB)
flash memory device.

3.3
3.3.1

Resource Configuration
PCI* Autoconfiguration

The BIOS can automatically configure PCI devices. PCI devices may be onboard or
add-in cards. Autoconfiguration lets a user insert or remove PCI cards without having
to configure the system. When a user turns on the system after adding a PCI card,
the BIOS automatically configures interrupts, the I/O space, and other system
resources. Any interrupts set to Available in Setup are considered to be available for
use by the add-in card.

60

Overview of BIOS Features

3.3.2

PCI IDE Support

If you select Auto in the BIOS Setup program, the BIOS automatically sets up the
PCI IDE connector with independent I/O channel support. The IDE interface supports
hard drives up to ATA-66/100 and recognizes any ATAPI compliant devices, including
CD-ROM drives, tape drives, and Ultra DMA drives. The BIOS determines the
capabilities of each drive and configures them to optimize capacity and performance.
To take advantage of the high capacities typically available today, hard drives are
automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4,
depending on the capability of the drive. You can override the auto-configuration
options by specifying manual configuration in the BIOS Setup program.
To use ATA-66/100/133 features the following items are required:
o
o
o

An ATA-66/100/133 peripheral device
An ATA-66/100/133 compatible cable
ATA-66/100/133 operating system device drivers

NOTE
Do not connect an ATA device as a slave on the same IDE cable as an ATAPI master
device. For example, do not connect an ATA hard drive as a slave to an ATAPI
CD-ROM drive.

3.4

System Management BIOS (SMBIOS)

SMBIOS is a Desktop Management Interface (DMI) compliant method for managing
computers in a managed network.
The main component of SMBIOS is the Management Information Format (MIF)
database, which contains information about the computing system and its
components. Using SMBIOS, a system administrator can obtain the system types,
capabilities, operational status, and installation dates for system components. The
MIF database defines the data and provides the method for accessing this information.
The BIOS enables applications such as third-party management software to use
SMBIOS. The BIOS stores and reports the following SMBIOS information:
o
o
o
o

BIOS data, such as the BIOS revision level
Fixed-system data, such as peripherals, serial numbers, and asset tags
Resource data, such as memory size, cache size, and processor speed
Dynamic data, such as event detection and error logging

Non-Plug and Play operating systems require an additional interface for obtaining the
SMBIOS information. The BIOS supports an SMBIOS table interface for such operating
systems. Using this support, an SMBIOS service-level application running on a
non-Plug and Play operating system can obtain the SMBIOS information. Additional
board information can be found in the BIOS under the Additional Information header
under the Main BIOS page.

61

Intel Desktop Board DG31PR Technical Product Specification

3.5

Legacy USB Support

Legacy USB support enables USB devices to be used even when the operating
system's USB drivers are not yet available. Legacy USB support is used to access the
BIOS Setup program, and to install an operating system that supports USB. By
default, Legacy USB support is set to Enabled.
Legacy USB support operates as follows:
1. When you apply power to the computer, legacy support is disabled.
2. POST begins.
3. Legacy USB support is enabled by the BIOS allowing you to use a USB keyboard to
enter and configure the BIOS Setup program and the maintenance menu.
4. POST completes.
5. The operating system loads. While the operating system is loading, USB
keyboards and mice are recognized and may be used to configure the operating
system. (Keyboards and mice are not recognized during this period if Legacy USB
support was set to Disabled in the BIOS Setup program.)
6. After the operating system loads the USB drivers, all legacy and non-legacy USB
devices are recognized by the operating system, and Legacy USB support from the
BIOS is no longer used.
7. Additional USB legacy feature options can be access by using Intel Integrator
Toolkit.
To install an operating system that supports USB, verify that Legacy USB support in
the BIOS Setup program is set to Enabled and follow the operating system's
installation instructions.

62

Overview of BIOS Features

3.6

BIOS Updates

The BIOS can be updated using either of the following utilities, which are available on
the Intel World Wide Web site:
o

o

Intel(R) Express BIOS Update utility, which enables automated updating while in the
Windows environment. Using this utility, the BIOS can be updated from a file on a
hard disk, a USB drive (a flash drive or a USB hard drive), or a CD-ROM, or from
the file location on the Web.
Intel(R) Flash Memory Update Utility, which requires booting from DOS. Using this
utility, the BIOS can be updated from a file on a hard disk, a USB drive (a flash
drive or a USB hard drive), or a CD-ROM.

Both utilities verify that the updated BIOS matches the target system to prevent
accidentally installing an incompatible BIOS.

NOTE
Review the instructions distributed with the upgrade utility before attempting a BIOS
update.
For information about

Refer to

BIOS update utilities

http://support.intel.com/support/motherboards/desktop/sb/
CS-022312.htm.

3.6.1

Language Support

The BIOS Setup program and help messages are supported in US English. Additional
languages are available in the Integrator's Toolkit utility. Check the Intel website for
details.

3.6.2

Custom Splash Screen

During POST, an Intel(R) splash screen is displayed by default. This splash screen can
be augmented with a custom splash screen. The Intel(R) Integrator's Toolkit that is
available from Intel can be used to create a custom splash screen.

NOTE
If you add a custom splash screen, it will share space with the Intel branded logo.

For information about

Refer to

Intel Integrator Toolkit

http://developer.intel.com/design/motherbd/software/itk/

Additional Intel(R) software tools

http://developer.intel.com/products/motherboard/dg31pr/tools.htm
and
http://developer.intel.com/design/motherbd/software.htm

63

Intel Desktop Board DG31PR Technical Product Specification

3.7

BIOS Recovery

It is unlikely that anything will interrupt a BIOS update; however, if an interruption
occurs, the BIOS could be damaged. Table 30 lists the drives and media types that
can and cannot be used for BIOS recovery. The BIOS recovery media does not need
to be made bootable.
Table 30. Acceptable Drives/Media Types for BIOS Recovery
Media Type

Can be used for BIOS recovery?

CD-ROM drive connected to the Parallel ATA interface

Yes

CD-ROM drive connected to the Serial ATA interface

Yes

USB removable drive (a USB Flash Drive, for example)

Yes

USB diskette drive (with a 1.44 MB diskette)

No

USB hard disk drive

No

Legacy diskette drive (with a 1.44 MB diskette) connected to the
legacy diskette drive interface

No

For information about
BIOS recovery

64

Refer to
http://support.intel.com/support/motherboards/desktop

Overview of BIOS Features

3.8

Boot Options

In the BIOS Setup program, the user can choose to boot from a diskette drive, hard
drive, USB drive, USB flash drive, CD-ROM, or the network. The default setting is for
the diskette drive to be the first boot device, the hard drive second, and the ATAPI
CD-ROM third. If enabled, the last default boot device is the network.

3.8.1

CD-ROM Boot

Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM
format specification. Under the Boot menu in the BIOS Setup program, ATAPI CDROM is listed as a boot device. Boot devices are defined in priority order. Accordingly,
if there is not a bootable CD in the CD-ROM drive, the system will attempt to boot
from the next defined drive.

3.8.2

Network Boot

The network can be selected as a boot device. This selection allows booting from the
onboard LAN or a network add-in card with a remote boot ROM installed.
Pressing the &amp; lt; F12 &amp; gt; key during POST automatically forces booting from the LAN. To
use this key during POST, the User Access Level in the BIOS Setup program's Security
menu must be set to Full.

3.8.3

Booting Without Attached Devices

For use in embedded applications, the BIOS has been designed so that after passing
the POST, the operating system loader is invoked even if the following devices are not
present:
o
o
o

Video adapter
Keyboard
Mouse

3.8.4

Changing the Default Boot Device During POST

Pressing the &amp; lt; F10 &amp; gt; key during POST causes a boot device menu to be displayed. This
menu displays the list of available boot devices (as set in the BIOS setup program's
Boot Device Priority Submenu). Table 31 lists the boot device menu options.
Table 31. Boot Device Menu Options
Boot Device Menu Function Keys

Description

&amp; lt; ? &amp; gt; or &amp; lt; ? &amp; gt;

Selects a default boot device

&amp; lt; Enter &amp; gt;

Exits the menu, saves changes, and boots from the selected
device

&amp; lt; Esc &amp; gt;

Exits the menu without saving changes

65

Intel Desktop Board DG31PR Technical Product Specification

3.9

Adjusting Boot Speed

These factors affect system boot speed:
o
o

3.9.1

Selecting and configuring peripherals properly
Optimized BIOS boot parameters

Peripheral Selection and Configuration

The following techniques help improve system boot speed:
o
o
o

o

3.9.2

Choose a hard drive with parameters, such as "power-up to data ready" of less
than eight seconds, that minimize hard drive startup delays.
Select a CD-ROM drive with a fast initialization rate. This rate can influence POST
execution time.
Eliminate unnecessary add-in adapter features, such as logo displays, screen
repaints, or mode changes in POST. These features may add time to the boot
process.
Try different monitors. Some monitors initialize and communicate with the BIOS
more quickly, which enables the system to boot more quickly.

BIOS Boot Optimizations

Use of the following BIOS Setup program settings reduces the POST execution time.
o

o

In the Boot Menu, set the hard disk drive as the first boot device. As a result, the
POST does not first seek a diskette drive, which saves about one second from the
POST execution time.
In the Peripheral Configuration submenu, disable the LAN device if it will not be
used. This can reduce up to four seconds of option ROM boot time.

NOTE
It is possible to optimize the boot process to the point where the system boots so
quickly that the Intel logo screen (or a custom logo splash screen) will not be seen.
Monitors and hard disk drives with minimum initialization times can also contribute to
a boot time that might be so fast that necessary logo screens and POST messages
cannot be seen.
This boot time may be so fast that some drives might be not be initialized at all. If
this condition should occur, it is possible to introduce a programmable delay ranging
from three to 30 seconds (using the Hard Disk Pre-Delay feature of the Advanced
Menu in the Drive Configuration Submenu of the BIOS Setup program).

66

Overview of BIOS Features

3.10 BIOS Security Features
The BIOS includes security features that restrict access to the BIOS Setup program
and who can boot the computer. A supervisor password and a user password can be
set for the BIOS Setup program and for booting the computer, with the following
restrictions:
o
o
o
o

o

o
o

The supervisor password gives unrestricted access to view and change all the
Setup options in the BIOS Setup program. This is the supervisor mode.
The user password gives restricted access to view and change Setup options in the
BIOS Setup program. This is the user mode.
If only the supervisor password is set, pressing the &amp; lt; Enter &amp; gt; key at the password
prompt of the BIOS Setup program allows the user restricted access to Setup.
If both the supervisor and user passwords are set, users can enter either the
supervisor password or the user password to access Setup. Users have access to
Setup respective to which password is entered.
Setting the user password restricts who can boot the computer. The password
prompt will be displayed before the computer is booted. If only the supervisor
password is set, the computer boots without asking for a password. If both
passwords are set, the user can enter either password to boot the computer.
For enhanced security, use different passwords for the supervisor and user
passwords.
Valid password characters are A-Z, a-z, and 0-9. Passwords may be up to
16 characters in length.

Table 32 shows the effects of setting the supervisor password and user password.
This table is for reference only and is not displayed on the screen.
Table 32. Supervisor and User Password Functions

Setup Options

Password
to Enter
Setup

Password
During
Boot

None

None

None

Can change a
Supervisor Password
limited number
of options

Supervisor

None

N/A

Can change all
options

User

User

Can change all
options

Can change a
Supervisor Password
limited number Enter Password
of options

Supervisor or
user

Supervisor or
user

Password
Set

Supervisor
Mode

User Mode

Neither

Can change all
options (Note)

Can change all
options (Note)

Supervisor
only

Can change all
options

User only
Supervisor
and user set
Note:

Enter Password
Clear User Password

If no password is set, any user can change all Setup options.

67

Intel Desktop Board DG31PR Technical Product Specification

68

4

Error Messages and Beep Codes

What This Chapter Contains
4.1
4.2
4.3
4.4

4.1

Speaker ......................................................................................... 69
BIOS Beep Codes ............................................................................ 69
BIOS Error Messages ....................................................................... 69
Port 80h POST Codes ....................................................................... 70

Speaker

The board-mounted speaker provides audible error code (beep code) information
during POST.
For information about
The location of the onboard speaker

4.2

Refer to
Figure 1, page 12

BIOS Beep Codes

Whenever a recoverable error occurs during POST, the BIOS displays an error
message describing the problem (see Table 33).
Table 33. Beep Codes
Type

Pattern

Frequency

Memory error

1280 Hz

Four alternating beeps:

High tone: 2000 Hz

High tone, low tone, high tone, low tone

4.3

Three long beeps

Thermal warning

Low tone: 1600 Hz

BIOS Error Messages

Table 34 lists the error messages and provides a brief description of each.
Table 34. BIOS Error Messages
Error Message

Explanation

CMOS Battery Low

The battery may be losing power. Replace the battery soon.

CMOS Checksum Bad

The CMOS checksum is incorrect. CMOS memory may have been
corrupted. Run Setup to reset values.

Memory Size Decreased

Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.

No Boot Device Available

System did not find a device to boot.

69

Intel Desktop Board DG31PR Technical Product Specification

4.4

Port 80h POST Codes

During the POST, the BIOS generates diagnostic progress codes (POST codes) to I/O
port 80h. If the POST fails, execution stops and the last POST code generated is left
at port 80h. This code is useful for determining the point where an error occurred.
Displaying the POST codes requires a PCI bus add-in card, often called a POST card.
The POST card can decode the port and display the contents on a medium such as a
seven-segment display.

NOTE
The POST card must be installed in PCI bus connector 1.
The following tables provide information about the POST codes generated by the
BIOS:
o
o
o

Table 35 lists the Port 80h POST code ranges
Table 36 lists the Port 80h POST codes themselves
Table 37 lists the Port 80h POST sequence

NOTE
In the tables listed above, all POST codes and range values are listed in hexadecimal.
Table 35. Port 80h POST Code Ranges
Range

Category/Subsystem

00 - 0F

Debug codes: Can be used by any PEIM/driver for debug.

10 - 1F

Host Processors: 1F is an unrecoverable CPU error.

20 - 2F

Memory/Chipset: 2F is no memory detected or no useful memory detected.

30 - 3F

Recovery: 3F indicated recovery failure.

40 - 4F

Reserved for future use.

50 - 5F

I/O Busses: PCI, USB, ISA, ATA, etc. 5F is an unrecoverable error. Start with PCI.

60 - 6F

Reserved for future use (for new busses).

70 - 7F

Output Devices: All output consoles. 7F is an unrecoverable error.

80 - 8F

Reserved for future use (new output console codes).

90 - 9F

Input devices: Keyboard/Mouse. 9F is an unrecoverable error.

A0 - AF

Reserved for future use (new input console codes).

B0 - BF

Boot Devices: Includes fixed media and removable media. BF is an unrecoverable error.

C0 - CF

Reserved for future use.

D0 - DF

Boot device selection.

E0 - FF

E0 - EE: Miscellaneous codes. See Table 36.
EF: boot/S3 resume failure.
F0 - FF: FF processor exception.

70

Error Messages and Beep Codes

Table 36. Port 80h POST Codes
POST Code

Description of POST Operation
Host Processor

10

Power-on initialization of the host processor (Boot Strap Processor)

11

Host processor cache initialization (including APs)

12

Starting Application processor initialization

13

SMM initialization

Chipset
21

Initializing a chipset component

22

Reading SPD from memory DIMMs

23

Detecting presence of memory DIMMs

24

Programming timing parameters in the memory controller and the DIMMs

25

Configuring memory

26

Optimizing memory settings

27

Initializing memory, such as ECC init

28

Testing memory

50

Enumerating PCI busses

51

Allocating resources to PCI bus

Memory

PCI Bus

52

Hot Plug PCI controller initialization

53 - 57

Reserved for PCI Bus

USB
58

Resetting USB bus

59

Reserved for USB

5A

Resetting PATA/SATA bus and all devices

5B

Reserved for ATA

ATA/ATAPI/SATA

SMBus
5C

Resetting SMBus

5D

Reserved for SMBus

Local Console
70

Resetting the VGA controller

71

Disabling the VGA controller

72

Enabling the VGA controller

78

Resetting the console controller

79

Disabling the console controller

7A

Enabling the console controller

Remote Console

continued

71

Intel Desktop Board DG31PR Technical Product Specification

Table 36. Port 80h POST Codes (continued)
POST Code

Description of POST Operation
Keyboard (PS/2 or USB)

90

Resetting keyboard

91

Disabling keyboard

92

Detecting presence of keyboard

93

Enabling the keyboard

94

Clearing keyboard input buffer

95

Instructing keyboard controller to run Self Test (PS/2 only)

Mouse (PS/2 or USB)
98

Resetting mouse

99

Disabling mouse

9A

Detecting presence of mouse

9B

Enabling mouse

Fixed Media
B0

Resetting fixed media

B1

Disabling fixed media

B2

Detecting presence of a fixed media (IDE hard drive detection etc.)

B3

Enabling/configuring a fixed media

Removable Media
B8

Resetting removable media

B9

Disabling removable media

BA

Detecting presence of a removable media (IDE, CD-ROM detection, etc.)

BC

Enabling/configuring a removable media

Dy

Trying boot selection y (y=0 to 15)

BDS
PEI Core
E0

Started dispatching PEIMs (emitted on first report of EFI_SW_PC_INIT_BEGIN
EFI_SW_PEI_PC_HANDOFF_TO_NEXT)

E2

Permanent memory found

E1, E3

Reserved for PEI/PEIMs

DXE Core
E4

Entered DXE phase

E5

Started dispatching drivers

E6

Started connecting drivers

continued

72

Error Messages and Beep Codes

Table 36. Port 80h POST Codes (continued)
POST Code

Description of POST Operation
DXE Drivers

E7

Waiting for user input

E8

Checking password

E9

Entering BIOS setup

EB

Calling Legacy Option ROMs
Runtime Phase/EFI operating system boot

F4

Entering Sleep state

F5

Exiting Sleep state

F8

EFI boot service ExitBootServices ( ) has been called

F9

EFI runtime service SetVirtualAddressMap ( ) has been called

FA

EFI runtime service ResetSystem ( ) has been called
PEIMs/Recovery

30

Crisis Recovery has initiated per user request

31

Crisis Recovery has initiated by software (corrupt flash)

34

Loading recovery capsule

35

Handing off control to the recovery capsule

3F

Unable to recover

73

Intel Desktop Board DG31PR Technical Product Specification

Table 37. Typical Port 80h POST Sequence
POST Code

Description

21

Initializing a chipset component

22

Reading SPD from memory DIMMs

23

Detecting presence of memory DIMMs

25

Configuring memory

28

Testing memory

34

Loading recovery capsule

E4

Entered DXE phase

12

Starting application processor initialization

13

SMM initialization

50

Enumerating PCI busses

51

Allocating resourced to PCI bus

92

Detecting the presence of the keyboard

90

Resetting keyboard

94

Clearing keyboard input buffer

95

Keyboard Self Test

EB

Calling Video BIOS

58

Resetting USB bus

5A

Resetting PATA/SATA bus and all devices

92

Detecting the presence of the keyboard

90

Resetting keyboard

94

Clearing keyboard input buffer

5A

Resetting PATA/SATA bus and all devices

28

Testing memory

90

Resetting keyboard

94

Clearing keyboard input buffer

E7

INT 19

00

74

Waiting for user input

01

Ready to boot

5

Regulatory Compliance and Battery
Disposal Information

What This Chapter Contains
5.1 Regulatory Compliance..................................................................... 75
5.2 Battery Disposal Information............................................................. 85

5.1

Regulatory Compliance

This section contains the following regulatory compliance information for Desktop
Board DG31PR:
o
o
o
o
o

5.1.1

Safety standards
European Union Declaration of Conformity statement
Product Ecology statements
Electromagnetic Compatibility (EMC) standards
Product certification markings

Safety Standards

Desktop Board DG31PR complies with the safety standards stated in Table 38 when
correctly installed in a compatible host system.
Table 38. Safety Standards
Standard

Title

UL 60950-1, First Edition

Information Technology Equipment - Safety - Part 1: General
Requirements (USA and Canada)

EN 60950-1:2006, Second
Edition

Information Technology Equipment - Safety - Part 1: General
Requirements (European Union)

IEC 60950-1:2005, Second
Edition

Information Technology Equipment - Safety - Part 1: General
Requirements (International)

75

Intel Desktop Board DG31PR Technical Product Specification

5.1.2

European Union Declaration of Conformity
Statement

We, Intel Corporation, declare under our sole responsibility that the product Intel
Desktop Board DG31PR is in conformity with all applicable essential requirements
necessary for CE marking, following the provisions of the European Council Directive
2004/108/EC (EMC Directive) and 2006/95/EC (Low Voltage Directive).
The product is properly CE marked demonstrating this conformity and is for
distribution within all member states of the EU with no restrictions.

This product follows the provisions of the European Directives 2004/108/EC and
2006/95/EC.
Èe¹tina Tento výrobek odpovídá po¾adavkùm evropských smìrnic 2004/108/EC a
2006/95/EC.
Dansk Dette produkt er i overensstemmelse med det europaeiske direktiv
2004/108/EC &amp; 2006/95/EC.
Dutch Dit product is in navolging van de bepalingen van Europees Directief
2004/108/EC &amp; 2006/95/EC.
Eesti Antud toode vastab Euroopa direktiivides 2004/108/EC ja 2006/95/EC
kehtestatud n?uetele.
Suomi Tämä tuote noudattaa EU-direktiivin 2004/108/EC &amp; 2006/95/EC määräyksiä.
Français Ce produit est conforme aux exigences de la Directive Européenne
2004/108/EC &amp; 2006/95/EC.
Deutsch Dieses Produkt entspricht den Bestimmungen der Europäischen Richtlinie
2004/108/EC &amp; 2006/95/EC.
???????? ?? ????? ?????? ????????? ??? ????????? ??? ?????????? ???????
2004/108/EC ??? 2006/95/EC.
Magyar E termék megfelel a 2004/108/EC és 2006/95/EC Európai Irányelv
elõírásainak.
Icelandic ?essi vara stenst regluger? Evrópska Efnahags Bandalagsins númer
2004/108/EC &amp; 2006/95/EC.
Italiano Questo prodotto ? conforme alla Direttiva Europea 2004/108/EC &amp;
2006/95/EC.
Latvie¹u ©is produkts atbilst Eiropas Direkt?vu 2004/108/EC un 2006/95/EC
noteikumiem.
Lietuvi? ©is produktas atitinka Europos direktyv? 2004/108/EC ir 2006/95/EC
nuostatas.

76

Regulatory Compliance and Battery Disposal Information

Malti Dan il-prodott hu konformi mal-provvedimenti tad-Direttivi Ewropej
2004/108/EC u 2006/95/EC.
Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet
2004/108/EC &amp; 2006/95/EC.
Polski Niniejszy produkt jest zgodny z postanowieniami Dyrektyw Unii Europejskiej
2004/108/EC i 73/23/EWG.
Portuguese Este produto cumpre com as normas da Diretiva Européia 2004/108/EC
&amp; 2006/95/EC.
Espa?ol Este producto cumple con las normas del Directivo Europeo 2004/108/EC &amp;
2006/95/EC.
Slovensky Tento produkt je v súlade s ustanoveniami európskych direktív
2004/108/EC a 2006/95/EC.
Sloven¹èina Izdelek je skladen z doloèbami evropskih direktiv 2004/108/EC in
2006/95/EC.
Svenska Denna produkt har tillverkats i enlighet med EG-direktiv 2004/108/EC &amp;
2006/95/EC.
Türkçe Bu ürün, Avrupa Birli?i'nin 2004/108/EC ve 2006/95/EC yönergelerine uyar.

77

Intel Desktop Board DG31PR Technical Product Specification

5.1.3

Product Ecology Statements

The following information is provided to address worldwide product ecology concerns
and regulations.

5.1.3.1

Disposal Considerations

This product contains the following materials that may be regulated upon disposal:
lead solder on the printed wiring board assembly.

5.1.3.2

Recycling Considerations

As part of its commitment to environmental responsibility, Intel has implemented the
Intel Product Recycling Program to allow retail consumers of Intel's branded products
to return used products to selected locations for proper recycling.
Please consult the http://www.intel.com/intel/other/ehs/product_ecology for the
details of this program, including the scope of covered products, available locations,
shipping instructions, terms and conditions, etc.
??
??????????????,?????? Intel Product Recycling Program
(?????????),???????????????????????????????
??????????
???http://www.intel.com/intel/other/ehs/product_ecology
????????,???????????????????????????
Deutsch
Als Teil von Intels Engagement für den Umweltschutz hat das Unternehmen das Intel
Produkt-Recyclingprogramm implementiert, das Einzelhandelskunden von Intel
Markenprodukten ermöglicht, gebrauchte Produkte an ausgewählte Standorte für
ordnungsgemäßes Recycling zurückzugeben.
Details zu diesem Programm, einschließlich der darin eingeschlossenen Produkte,
verfügbaren Standorte, Versandanweisungen, Bedingungen usw., finden Sie auf der
http://www.intel.com/intel/other/ehs/product_ecology
Espa?ol
Como parte de su compromiso de responsabilidad medioambiental, Intel ha
implantado el programa de reciclaje de productos Intel, que permite que los
consumidores al detalle de los productos Intel devuelvan los productos usados en los
lugares seleccionados para su correspondiente reciclado.
Consulte la http://www.intel.com/intel/other/ehs/product_ecology para ver los detalles
del programa, que incluye los productos que abarca, los lugares disponibles,
instrucciones de envío, términos y condiciones, etc.

78

Regulatory Compliance and Battery Disposal Information

Français
Dans le cadre de son engagement pour la protection de l'environnement, Intel a mis
en oeuvre le programme Intel Product Recycling Program (Programme de recyclage
des produits Intel) pour permettre aux consommateurs de produits Intel de recycler
les produits usés en les retournant ? des adresses spécifiées.
Visitez la page Web http://www.intel.com/intel/other/ehs/product_ecology pour en
savoir plus sur ce programme, ? savoir les produits concernés, les adresses
disponibles, les instructions d'expédition, les conditions générales, etc.
???
?????????????????????????????
????????????????????????????????????????????????
??????????????
????????????????????????????????????http://www.intel.com/in
tel/other/ehs/product_ecology (??)????????
Malay
Sebagai sebahagian daripada komitmennya terhadap tanggungjawab persekitaran,
Intel telah melaksanakan Program Kitar Semula Produk untuk membenarkan
pengguna-pengguna runcit produk jenama Intel memulangkan produk terguna ke
lokasi-lokasi terpilih untuk dikitarkan semula dengan betul.
Sila rujuk http://www.intel.com/intel/other/ehs/product_ecology untuk mendapatkan
butir-butir program ini, termasuklah skop produk yang dirangkumi, lokasi-lokasi
tersedia, arahan penghantaran, terma &amp; syarat, dsb.
Portuguese
Como parte deste compromisso com o respeito ao ambiente, a Intel implementou o
Programa de Reciclagem de Produtos para que os consumidores finais possam enviar
produtos Intel usados para locais selecionados, onde esses produtos s?o reciclados de
maneira adequada.
Consulte o site http://www.intel.com/intel/other/ehs/product_ecology (em Ingl?s)
para obter os detalhes sobre este programa, inclusive o escopo dos produtos cobertos,
os locais disponíveis, as instruç?es de envio, os termos e condiç?es, etc.
Russian
? ???????? ????? ????? ???????????? ? ?????????? ?????, ? Intel ???????
????????? ?????????? ????????? Intel (Product Recycling Program) ???
?????????????? ???????? ????????????? ????? ????????? Intel ???????????
???????? ???????????? ????????? ? ?????????????????? ?????? ??? ???????
??????????.
??????????, ?????????? ?? ???-????
http://www.intel.com/intel/other/ehs/product_ecology ?? ??????????? ?? ????
?????????, ??????????? ?????????, ?????? ??????, ??????????? ?? ????????,
?????????? ? ???????? ? ?.?.

79

Intel Desktop Board DG31PR Technical Product Specification

Türkçe
Intel, çevre sorumlulu?una ba??ml?l???n?n bir parças? olarak, perakende tüketicilerin
Intel markal? kullan?lm?º ürünlerini belirlenmiº merkezlere iade edip uygun ºekilde geri
dönüºtürmesini amaçlayan Intel Ürünleri Geri Dönüºüm Program?'n? uygulamaya
koymuºtur.
Bu program?n ürün kapsam?, ürün iade merkezleri, nakliye talimatlar?, kay?tlar ve
ºartlar v.s dahil bütün ayr?nt?lar?n? ögrenmek için lütfen
http://www.intel.com/intel/other/ehs/product_ecology Web sayfas?na gidin.

5.1.3.3

Lead Free Desktop Board

This Desktop Board is a European Union Restriction of Hazardous Substances (EU
RoHS Directive 2002/95/EC) compliant product. EU RoHS restricts the use of six
materials. One of the six restricted materials is lead.
This Desktop Board is lead free although certain discrete components used on the
board contain a small amount of lead which is necessary for component performance
and/or reliability. This Desktop Board is referred to as "Lead-free second level
interconnect." The board substrate and the solder connections from the board to the
components (second-level connections) are all lead free.
China bans the same substances and has the same limits as EU RoHS; however it
requires different product marking and controlled substance information. The required
mark shows the Environmental Friendly Usage Period (EFUP). The EFUP is defined as
the number of years for which controlled listed substances will not leak or chemically
deteriorate while in the product.

80

Regulatory Compliance and Battery Disposal Information

Table 39 shows the various forms of the "Lead-Free 2nd Level Interconnect" mark as it
appears on the board and accompanying collateral.
Table 39. Lead-Free Board Markings
Description

Mark

nd

Lead-Free 2 Level Interconnect:
This symbol is used to identify
electrical and electronic
assemblies and components in
which the lead (Pb) concentration
level in the desktop board
substrate and the solder
connections from the board to the
components (second-level
interconnect) is not greater than
0.1% by weight (1000 ppm).

or

or

81

Intel Desktop Board DG31PR Technical Product Specification

5.1.4

EMC Regulations

Desktop Board DG31PR complies with the EMC regulations stated in Table 40 when
correctly installed in a compatible host system.
Table 40. EMC Regulations
Regulation

Title 47 of the Code of Federal Regulations, Part 15, Subpart B, Radio
Frequency Devices. (USA)

ICES-003 Issue 4
(Class B)

Interference-Causing Equipment Standard, Digital Apparatus. (Canada)

EN55022: 2006
(Class B)

Limits and methods of measurement of Radio Interference Characteristics
of Information Technology Equipment. (European Union)

EN55024:1998

Information Technology Equipment - Immunity Characteristics Limits and
methods of measurement. (European Union)

EN55022:2006
(Class B)

Australian Communications Authority, Standard for Electromagnetic
Compatibility. (Australia and New Zealand)

CISPR 222005
+A1:2005 +A2:2006
(Class B)

Limits and methods of measurement of Radio Disturbance Characteristics of
Information Technology Equipment. (International)

CISPR 24: 1997
+A1:2001 +A2:2002

Information Technology Equipment - Immunity Characteristics - Limits and
Methods of Measurement. (International)

VCCI V-3/2007.04,
V-4/2007.04, Class B

82

Title

FCC 47 CFR Part 15,
Subpart B

Voluntary Control for Interference by Information Technology Equipment.
(Japan)

Regulatory Compliance and Battery Disposal Information

Japanese Kanji statement translation: this is a Class B product based on the standard
of the Voluntary Control Council for Interference from Information Technology
Equipment (VCCI). If this is used near a radio or television receiver in a domestic
environment, it may cause radio interference. Install and use the equipment
according to the instruction manual.

Korean Class B statement translation: this is household equipment that is certified to
comply with EMC requirements. You may use this equipment in residential
environments and other non-residential environments.

83

Intel Desktop Board DG31PR Technical Product Specification

5.1.5

Product Certification Markings (Board Level)

Desktop Board DG31PR has the product certification markings shown in Table 41.
Table 41. Product Certification Markings
Description

Mark

UL joint US/Canada Recognized Component mark. Includes adjacent UL file
number for Intel desktop boards: E210882.
FCC Declaration of Conformity logo mark for Class B equipment. Includes
Intel name and DG31PR model designation.

CE mark. Declaring compliance to European Union (EU) EMC directive and
Low Voltage directive.

Australian Communications Authority (ACA) C-tick mark. Includes adjacent
Intel supplier code number, N-232.

Japan VCCI (Voluntary Control Council for Interference) mark.

S. Korea MIC (Ministry of Information and Communication) mark. Includes
adjacent MIC certification number: CPU-DG31PR (B)

Taiwan BSMI (Bureau of Standards, Metrology and Inspections) mark.
Includes adjacent Intel company number, D33025.
Printed wiring board manufacturer's recognition mark. Consists of a unique
UL recognized manufacturer's logo, along with a flammability rating (solder
side).
China RoHS/Environmentally Friendly Use Period Logo: This is an
example of the symbol used on Intel Desktop Boards and associated
collateral. The color of the mark may vary depending upon the application.
The Environmental Friendly Usage Period (EFUP) for Intel Desktop Boards has
been determined to be 10 years.

84

V-0

Regulatory Compliance and Battery Disposal Information

5.2

Battery Disposal Information

CAUTION
Risk of explosion if the battery is replaced with an incorrect type. Batteries should be
recycled where possible. Disposal of used batteries must be in accordance with local
environmental regulations.

PRÉCAUTION
Risque d'explosion si la pile usagée est remplacée par une pile de type incorrect. Les
piles usagées doivent ?tre recyclées dans la mesure du possible. La mise au rebut des
piles usagées doit respecter les réglementations locales en vigueur en mati?re de
protection de l'environnement.

FORHOLDSREGEL
Eksplosionsfare, hvis batteriet erstattes med et batteri af en forkert type. Batterier
b?r om muligt genbruges. Bortskaffelse af brugte batterier b?r foreg? i
overensstemmelse med gaeldende milj?lovgivning.

OBS!
Det kan oppst? eksplosjonsfare hvis batteriet skiftes ut med feil type. Brukte batterier
b?r kastes i henhold til gjeldende milj?lovgivning.

VIKTIGT!
Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier ska kasseras
enligt de lokala miljöv?rdsbestämmelserna.

VARO
Räjähdysvaara, jos pariston tyyppi on väärä. Paristot on kierrätettävä, jos se on
mahdollista. Käytetyt paristot on hävitettävä paikallisten ympäristömääräysten
mukaisesti.

VORSICHT
Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr. Die Batterie
darf nur durch denselben oder einen entsprechenden, vom Hersteller empfohlenen
Batterietyp ersetzt werden. Entsorgen Sie verbrauchte Batterien den Anweisungen
des Herstellers entsprechend.

AVVERTIMENTO
Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto.
Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore. Per
disfarsi delle pile usate, seguire le istruzioni del produttore.

85

Intel Desktop Board DG31PR Technical Product Specification

PRECAUCIÓN
Existe peligro de explosión si la pila no se cambia de forma adecuada. Utilice
solamente pilas iguales o del mismo tipo que las recomendadas por el fabricante del
equipo. Para deshacerse de las pilas usadas, siga igualmente las instrucciones del
fabricante.

WAARSCHUWING
Er bestaat ontploffingsgevaar als de batterij wordt vervangen door een onjuist type
batterij. Batterijen moeten zoveel mogelijk worden gerecycled. Houd u bij het
weggooien van gebruikte batterijen aan de plaatselijke milieuwetgeving.

ATENÇ?O
Haverá risco de explos?o se a bateria for substituída por um tipo de bateria incorreto.
As baterias devem ser recicladas nos locais apropriados. A eliminaç?o de baterias
usadas deve ser feita de acordo com as regulamentaç?es ambientais da regi?o.

A¦CIARO®ZNA¦Æ
????? ?????? ??????, ???? ???????? ?????????? ????????????? ????.
??????????? ???????, ?? ??????????, ???????????????. ??????????? ?? ??????
???????????? ???????? ?????? ? ???????? ?????????????? ?? ????????.

UPOZORN?NÍ
V pøípadì výmìny baterie za nesprávný druh mù¾e dojít k výbuchu. Je-li to mo¾né,
baterie by mìly být recyklovány. Baterie je tøeba zlikvidovat v souladu s místními
pøedpisy o ¾ivotním prostøedí.

???????
??????? ???????? ??? ?????? ?? ????????? ??? ? ???????? ?????????????? ??? ???
??????????? ?????. ?? ????????? ?? ?????? ?? ?????????????? ???? ???? ?????? ?????
??????. ? ???????? ??? ???????????????? ????????? ?????? ?? ??????? ??????? ??
???? ???? ???? ???????????????? ???????????.

VIGYÁZAT
Ha a telepet nem a megfelelõ típusú telepre cseréli, az felrobbanhat. A telepeket
lehetõség szerint újra kell hasznosítani. A használt telepeket a helyi környezetvédelmi
elõírásoknak megfelelõen kell kiselejtezni.

86

Regulatory Compliance and Battery Disposal Information

AWAS
Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri
sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi
peraturan alam sekitar tempatan.

OSTRZE¯ENIE
Istnieje niebezpieczeñstwo wybuchu w przypadku zastosowania niew³a¶ciwego typu
baterii. Zu¿yte baterie nale¿y w miarê mo¿liwo¶ci utylizowaæ zgodnie z odpowiednimi
przepisami ochrony ¶rodowiska.

PRECAUÞIE
Risc de explozie, dacã bateria este înlocuitã cu un tip de baterie necorespunzãtor.
Bateriile trebuie reciclate, dacã este posibil. Depozitarea bateriilor uzate trebuie sã
respecte reglementãrile locale privind protecþia mediului.

????????
??? ????????????? ??????? ?????????????????? ???? ?????????? ???? ?? ??????.
??????? ?????? ???? ????????????? ?? ???????????. ?????????? ???????
?????? ?????????? ?? ????????, ??????????????? ??????? ???????????.

UPOZORNENIE
Ak batériu vymeníte za nesprávny typ, hrozí nebezpeèenstvo jej výbuchu.
Batérie by sa mali podµa mo¾nosti v¾dy recyklova». Likvidácia pou¾itých batérií sa musí
vykonáva» v súlade s miestnymi predpismi na ochranu ¾ivotného prostredia.

POZOR
Zamenjava baterije z baterijo drugaènega tipa lahko povzroèi eksplozijo.
Èe je mogoèe, baterije reciklirajte. Rabljene baterije zavrzite v skladu z lokalnimi
okoljevarstvenimi predpisi.

.

UYARI
Yanl?º türde pil tak?ld???nda patlama riski vard?r. Piller mümkün oldu?unda geri
dönüºtürülmelidir. Kullan?lm?º piller, yerel çevre yasalar?na uygun olarak at?lmal?d?r.

O???????
?????????????? ??????? ??????????? ????, ?????? ?????????? ????? ??????.
???? ???????, ??????????? ??????? ???? ???????????. ?????????? ????????????
??????? ??? ???? ???????? ?????? ???????? ????, ?? ????????? ??????? ????????.

87

Intel Desktop Board DG31PR Technical Product Specification

88


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