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Contents
1
Product Description
1.1
Overview
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10
1.1.1
Feature Summary
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10
1.1.2
Manufacturing Options
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11
1.1.3
Board Layout
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12
1.1.4
Block Diagram
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14
1.2
Online Support
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15
1.3
Processor
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15
1.4
System Memory
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16
1.5
ATI Radeon* Xpress 200 Chipset
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17
1.5.1
Graphics Subsystem
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17
1.5.2
Firmware Hub (FWH)
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17
1.5.3
USB
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17
1.5.4
IDE Support
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18
1.5.5
Real-Time Clock, CMOS SRAM, and Battery
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20
1.6
PCI Express* Connectors
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24
1.7
Legacy I/O Controller
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24
1.7.1
Serial Port
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24
1.7.2
Parallel Port
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25
1.7.3
Diskette Drive Controller
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25
1.7.4
Keyboard and Mouse Interface
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25
1.8
High Definition Audio Subsystem
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26
1.8.1
Audio Subsystem Software
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26
1.8.2
Audio Connectors
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27
1.9
LAN Subsystem
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28
1.9.1
LAN Subsystem Software
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28
1.10
Hardware Management Subsystem
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29
1.10.1
Fan Monitoring
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29
1.10.2
Chassis Intrusion and Detection
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29
1.11
Power Management
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29
1.11.1
ACPI
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30
1.11.2
Hardware Support
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32
2
Technical Reference
2.1
Memory Map
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37
2.2
DMA Channels
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38
2.3
Fixed I/O Map
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39
2.4
Interrupts
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40
2.5
PCI Configuration Space Map
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41
2.6
PCI Conventional Interrupt Routing Map
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41
2.7
Connectors
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42
2.7.1
Back Panel Connectors
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43
2.7.2
Component-side Connectors
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44
2.7.3
Front Panel USB Connectors
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50
2.8
Jumper Block
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51