Intel Desktop Board D945GCNL 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 Online Support................................................................................ 15

1.3 Processor ....................................................................................... 15

1.4 System Memory .............................................................................. 16

1.4.1 Memory Configurations ......................................................... 17

1.5 Intel

945GC Chipset....................................................................... 18

1.5.1 Intel 945GC Graphics Subsystem............................................ 18

1.5.2 USB ................................................................................... 20

1.5.3 IDE Support ........................................................................ 21

1.5.4 Real-Time Clock, CMOS SRAM, and Battery .............................. 22

1.6 PCI Express* Connectors.................................................................. 22

1.7 Legacy I/O Controller....................................................................... 23

1.7.1 Serial Port........................................................................... 23

1.7.2 Parallel Port......................................................................... 23

1.7.3 Diskette Drive Controller ....................................................... 23

1.7.4 Keyboard and Mouse Interface ............................................... 23

1.8 Audio Subsystem............................................................................. 24

1.8.1 Audio Subsystem Software .................................................... 24

1.8.2 Audio Connectors ................................................................. 24

1.8.3 6 Channel (5.1) Audio Subsystem........................................... 25

1.9 LAN Subsystem............................................................................... 26

1.9.1 LAN Subsystem Software....................................................... 26

1.9.2 Realtek RTL8111B-GR Physical Layer Interface Device ............... 26

1.10 Hardware Management Subsystem .................................................... 28

1.10.1 Hardware Monitoring and Fan Control ASIC .............................. 28

1.10.2 Chassis Intrusion and Detection.............................................. 28

1.10.3 Fan Monitoring..................................................................... 28

1.10.4 Thermal Monitoring .............................................................. 29

1.11 Power Management ......................................................................... 30

1.11.1 ACPI .................................................................................. 30

1.11.2 Hardware Support ................................................................ 32

2 Technical Reference

2.1 Memory Resources .......................................................................... 37

2.1.1 Addressable Memory............................................................. 37

2.1.2 Memory Map........................................................................ 39

2.2 DMA Channels................................................................................. 39

2.3 Fixed I/O Map ................................................................................. 40

2.4 PCI Configuration Space Map ............................................................ 41