Intel D845EPI

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Contents
1 Product Description
1.1 Overview ....................................................................................................................12
1.1.1 Feature Summary ........................................................................................12
1.1.2 Manufacturing Options .................................................................................13
1.1.3 Board Layout................................................................................................14
1.2 Block Diagram ............................................................................................................15
1.3 Online Support ...........................................................................................................16
1.4 Operating System Support .........................................................................................16
1.5 Design Specifications .................................................................................................17
1.6 Processor ...................................................................................................................20
1.7 System Memory .........................................................................................................21
1.8 Intel
®
845E Chipset ....................................................................................................23
1.8.1 AGP .............................................................................................................23
1.8.2 USB..............................................................................................................24
1.8.3 IDE Interfaces ..............................................................................................24
1.8.4 Real-Time Clock, CMOS SRAM, and Battery...............................................25
1.9 I/O Controller ..............................................................................................................26
1.9.1 Serial Ports ..................................................................................................26
1.9.2 Parallel Port..................................................................................................26
1.9.3 Diskette Drive Controller ..............................................................................26
1.9.4 Keyboard and Mouse Interface ....................................................................26
1.10 Audio Subsystem........................................................................................................27
1.10.1 Audio Connectors.........................................................................................27
1.10.2 Audio Subsystem Software ..........................................................................28
1.11 LAN Subsystem (Optional) .........................................................................................28
1.11.1 Intel
®
82562ET Platform LAN Connect Device.............................................28
1.11.2 RJ-45 LAN Connector with Integrated LEDs ................................................28
1.11.3 LAN Subsystem Software ............................................................................29
1.12 Hardware Management Subsystem (Optional) ...........................................................29
1.12.1 Hardware Monitoring and Fan Control ASIC ................................................29
1.12.2 Fan Monitoring .............................................................................................29
1.12.3 Chassis Intrusion and Detection...................................................................29
1.13 Power Management ...................................................................................................30
1.13.1 ACPI.............................................................................................................30
1.13.2 Hardware Support ........................................................................................32
2 Technical Reference
2.1 Introduction.................................................................................................................37
2.2 Memory Map ..............................................................................................................37
2.3 Fixed I/O Map.............................................................................................................38
2.4 DMA Channels ...........................................................................................................39
2.5 PCI Configuration Space Map ....................................................................................39
2.6 Interrupts ....................................................................................................................40