Datasheet

Contents

1 Product Description

1.1 Board Differences.......................................................................................................11

1.2 Overview ....................................................................................................................12

1.2.1 Feature Summary ........................................................................................12

1.2.2 Manufacturing Options .................................................................................13

1.2.3 Board Layouts..............................................................................................14

1.2.4 Block Diagrams ............................................................................................17

1.3 Online Support ...........................................................................................................19

1.4 Operating System Support .........................................................................................19

1.5 Design Specifications .................................................................................................20

1.6 Processor ...................................................................................................................23

1.7 System Memory .........................................................................................................24

1.8 Intel

845GE Chipset..................................................................................................26

1.8.1 Intel 845GE Graphics Subsystem ................................................................27

1.8.2 USB..............................................................................................................33

1.8.3 IDE Support .................................................................................................34

1.8.4 Real-Time Clock, CMOS SRAM, and Battery...............................................35

1.9 I/O Controller ..............................................................................................................35

1.9.1 Serial Port ....................................................................................................35

1.9.2 Parallel Port..................................................................................................35

1.9.3 Diskette Drive Controller ..............................................................................36

1.9.4 Keyboard and Mouse Interface ....................................................................36

1.10 Audio Subsystem........................................................................................................37

1.10.1 Audio Connectors.........................................................................................38

1.10.2 Audio Subsystem Software ..........................................................................38

1.11 LAN Subsystem (Optional) .........................................................................................39

1.11.1 Intel

82562ET Platform LAN Connect Device.............................................39

1.11.2 Intel

82540EM Gigabit Ethernet Controller .................................................39

1.11.3 RJ-45 LAN Connector with Integrated LEDs ................................................39

1.11.4 LAN Subsystem Software ............................................................................40

1.12 CNR (Optional)...........................................................................................................40

1.13 Hardware Management Subsystem............................................................................42

1.13.1 Hardware Monitoring ASICs.........................................................................42

1.13.2 Fan Monitoring .............................................................................................44

1.13.3 Chassis Intrusion and Detection...................................................................44

1.14 Power Management ...................................................................................................44

1.14.1 ACPI.............................................................................................................45

1.14.2 Hardware Support ........................................................................................47

2 Technical Reference

2.1 Introduction.................................................................................................................53

2.2 Memory Map ..............................................................................................................53

2.3 Fixed I/O Map.............................................................................................................54