Contents
1.1
Overview ..................................................................................................................... 9
1.1.1
Feature Summary ......................................................................................... 9
1.1.2
Block Diagram..............................................................................................11
1.2
Online Support ...........................................................................................................12
1.3
1.4
Design Specifications .................................................................................................13
1.5
Processor ...................................................................................................................17
1.6
System Memory .........................................................................................................18
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1.7
845GL Chipset ..................................................................................................20
1.7.1
1.7.2
USB..............................................................................................................25
1.7.3
IDE Interfaces ..............................................................................................25
1.7.4
1.8
I/O Controller ..............................................................................................................26
1.8.1
Serial Ports ..................................................................................................27
1.8.2
Parallel Port..................................................................................................27
1.8.3
1.8.4
1.9
Audio Subsystem........................................................................................................27
1.9.1
Audio Connectors.........................................................................................28
1.9.2
1.10 LAN Subsystem..........................................................................................................28
1.10.1
1.10.2
1.10.3
1.11.1
Fan Monitoring .............................................................................................30
1.11.2
1.12 Power Management ...................................................................................................30
1.12.1
ACPI.............................................................................................................31
1.12.2
Hardware Support ........................................................................................33
2.1
Introduction.................................................................................................................37
2.2
Memory Map ..............................................................................................................37
2.3
Fixed I/O Map.............................................................................................................38
2.4
DMA Channels ...........................................................................................................39
2.5
2.6
Interrupts ....................................................................................................................40
2.7
2.8
Environmental ............................................................................................................43
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