Datasheet

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

945P Chipset......................................................................................................21

1.5.1 USB ...............................................................................................................21

1.5.2 IDE Support...................................................................................................22

1.5.3 Real-Time Clock, CMOS SRAM, and Battery................................................23

1.6 PCI Express* Connectors ............................................................................................27

1.7 IEEE-1394a Connectors ..............................................................................................27

1.8 Legacy I/O Controller ...................................................................................................28

1.8.1 Serial Port......................................................................................................28

1.8.2 Parallel Port...................................................................................................28

1.8.3 Diskette Drive Controller................................................................................28

1.8.4 Keyboard and Mouse Interface .....................................................................28

1.9 Audio Subsystem .........................................................................................................29

1.9.1 Audio Subsystem Software ...........................................................................29

1.9.2 Audio Connectors..........................................................................................29

1.9.3 8-Channel (7.1) Audio Subsystem.................................................................29

1.10 LAN Subsystem ...........................................................................................................31

1.10.1 LAN Subsystem Software..............................................................................31

1.10.2 Intel

82562GX Physical Layer Interface Device ..........................................31

1.10.3 RJ-45 LAN Connector with Integrated LEDs.................................................31

1.11 Hardware Management Subsystem.............................................................................32

1.11.1 Hardware Monitoring and Fan Control ASIC.................................................32

1.11.2 Chassis Intrusion and Detection....................................................................32

1.11.3 Fan Monitoring...............................................................................................33

1.11.4 Thermal Monitoring........................................................................................33

1.12 Power Management.....................................................................................................34

1.12.1 ACPI ..............................................................................................................34

1.12.2 Hardware Support .........................................................................................36

2 Technical Reference

2.1 Introduction ..................................................................................................................41

2.2 Memory Resources......................................................................................................41

2.2.1 Addressable Memory.....................................................................................41

2.2.2 Memory Map..................................................................................................43

2.3 DMA Channels.............................................................................................................43

2.4 Fixed I/O Map...............................................................................................................44

2.5 PCI Configuration Space Map......................................................................................45