Intel D945GCLF2

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Contents
1 Product Description .............................................................. 9
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
1.6 Intel
®
945GC Chipset...................................................................... 16
1.6.1 Intel 945GC Graphics Subsystem............................................ 16
1.6.2 USB ................................................................................... 18
1.6.3 IDE Support ........................................................................ 19
1.7 Real-Time Clock Subsystem .............................................................. 20
1.8 S-Video Output ............................................................................... 21
1.9 Legacy I/O Controller....................................................................... 21
1.9.1 Serial Port........................................................................... 21
1.9.2 Parallel Port......................................................................... 21
1.9.3 Keyboard and Mouse Interface ............................................... 22
1.10 Audio Subsystem............................................................................. 23
1.10.1 Audio Subsystem Software .................................................... 24
1.10.2 Audio Connectors and Headers ............................................... 24
1.11 LAN Subsystem............................................................................... 25
1.11.1 LAN Subsystem Software....................................................... 25
1.11.2 RJ-45 LAN Connector with Integrated LEDs .............................. 26
1.12 Hardware Management Subsystem .................................................... 27
1.12.1 Hardware Monitoring............................................................. 27
1.12.2 Thermal Monitoring .............................................................. 28
1.13 Power Management ......................................................................... 29
1.13.1 ACPI................................................................................... 29
1.13.2 Hardware Support ................................................................ 32
1.13.3 ENERGY STAR* .................................................................... 36
2 Technical Reference............................................................ 37
2.1 Memory Map................................................................................... 37
2.1.1 Addressable Memory............................................................. 37
2.2 Connectors and Headers................................................................... 40
2.2.1 Back Panel Connectors .......................................................... 41
2.2.2 Component-side Connectors and Headers ................................ 42
2.3 Jumper Block .................................................................................. 50
2.4 Mechanical Considerations ................................................................ 51
2.4.1 Form Factor......................................................................... 51
2.5 Electrical Considerations................................................................... 52