v
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 ......................................................... 18
1.5 Intel
®
945GC Chipset....................................................................... 21
1.5.1 Intel 945GC Graphics Subsystem............................................ 21
1.5.2 USB ................................................................................... 23
1.5.3 IDE Support ........................................................................ 24
1.5.4 Real-Time Clock, CMOS SRAM, and Battery .............................. 25
1.6 PCI Express* Connectors.................................................................. 25
1.7 Legacy I/O Controller....................................................................... 26
1.7.1 Serial Port........................................................................... 26
1.7.2 Parallel Port......................................................................... 26
1.7.3 Diskette Drive Controller ....................................................... 26
1.7.4 Keyboard and Mouse Interface ............................................... 26
1.8 Audio Subsystem............................................................................. 27
1.8.1 Audio Subsystem Software .................................................... 27
1.8.2 Audio Connectors ................................................................. 27
1.8.3 6-Channel (5.1) Audio Subsystem........................................... 28
1.9 LAN Subsystem............................................................................... 29
1.9.1 LAN Subsystem Software....................................................... 29
1.9.2 Intel
®
82562G Physical Layer Interface Device ......................... 29
1.10 Hardware Management Subsystem .................................................... 31
1.10.1 Hardware Monitoring and Fan Control ASIC .............................. 31
1.10.2 Chassis Intrusion and Detection.............................................. 31
1.10.3 Fan Monitoring..................................................................... 31
1.10.4 Thermal Monitoring .............................................................. 32
1.11 Power Management ......................................................................... 33
1.11.1 ACPI .................................................................................. 33
1.11.2 Hardware Support ................................................................ 35
2 Technical Reference
2.1 Memory Resources .......................................................................... 41
2.1.1 Addressable Memory............................................................. 41
2.1.2 Memory Map........................................................................ 43
2.2 DMA Channels................................................................................. 43
2.3 Fixed I/O Map ................................................................................. 44
2.4 PCI Configuration Space Map ............................................................ 45