Intel Desktop Board DG41MJ Technical Product Specification

Contents

1 Product Description9

1.1 Overview.......................................................................................... 9

1.1.1 Feature Summary .................................................................. 9

1.1.2 Board Layout ....................................................................... 11

1.1.3 Block Diagram ..................................................................... 13

1.2 Legacy Considerations...................................................................... 14

1.3 Online Support................................................................................ 14

1.4 Processor ....................................................................................... 14

1.5 System Memory .............................................................................. 15

1.5.1 Memory Configurations ......................................................... 16

1.6 Intel

G41 Express Chipset............................................................... 18

1.6.1 Intel G41 Graphics Subsystem ............................................... 18

1.6.2 USB ................................................................................... 20

1.6.3 Serial ATA Interfaces ............................................................ 20

1.7 Real-Time Clock Subsystem .............................................................. 21

1.8 Legacy I/O Controller....................................................................... 21

1.8.1 Serial Port Interface.............................................................. 21

1.8.2 PS/2 Keyboard Interface ....................................................... 22

1.9 Audio Subsystem............................................................................. 22

1.9.1 Audio Subsystem Software .................................................... 23

1.9.2 Audio Connectors and Headers ............................................... 23

1.10 LAN Subsystem............................................................................... 24

1.10.1 LAN Subsystem Software....................................................... 24

1.10.2 RJ-45 LAN Connector with Integrated LEDs .............................. 25

1.11 Hardware Management Subsystem .................................................... 26

1.11.1 Hardware Monitoring and Fan Control...................................... 26

1.11.2 Fan Monitoring..................................................................... 26

1.11.3 Chassis Intrusion and Detection.............................................. 26

1.11.4 Thermal Monitoring .............................................................. 27

1.12 Power Management ......................................................................... 28

1.12.1 ACPI................................................................................... 28

1.12.2 Hardware Support ................................................................ 31

1.12.3 ENERGY STAR* .................................................................... 34

2 Technical Reference

2.1 Memory Map................................................................................... 35

2.1.1 Addressable Memory............................................................. 35

2.2 Connectors and Headers................................................................... 38

2.2.1 Back Panel Connectors .......................................................... 39

2.2.2 Component-side Connectors and Headers ................................ 40

2.3 Jumper Block .................................................................................. 48