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

915PL Chipset..................................................................................................20

1.5.1 USB............................................................................................................. 20

1.5.2 IDE Support................................................................................................. 20

1.5.3 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 Intel

High Definition Audio Subsystem ....................................................... 25

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

1.9.1 10/100 Mbits/sec LAN Subsystem ............................................................... 26

1.9.2 LAN Subsystem Software............................................................................27

1.10 Hardware Management Subsystem ........................................................................... 27

1.10.1 Hardware Monitoring and Fan Control ASIC................................................ 27

1.10.2 Thermal Monitoring......................................................................................28

1.10.3 Fan Monitoring............................................................................................. 29

1.10.4 Chassis Intrusion and Detection .................................................................. 29

1.11 Power Management...................................................................................................29

1.11.1 ACPI............................................................................................................ 29

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

2 Technical Reference

2.1 Memory Map.............................................................................................................. 37

2.2 DMA Channels........................................................................................................... 38

2.3 Fixed I/O Map ............................................................................................................ 39

2.4 PCI Configuration Space Map.................................................................................... 40

2.5 Interrupts....................................................................................................................41

2.6 PCI Conventional* Interrupt Routing Map ..................................................................42

2.7 Connectors ................................................................................................................ 43

2.7.1 Back Panel Connectors ...............................................................................43

2.7.2 Component-side Connectors ....................................................................... 44