Intel Desktop Board DG31PR Technical Product Specification

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

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