Datasheet

v
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
®
925X Chipset......................................................................................................21
1.5.1 USB ...............................................................................................................21
1.5.2 IDE Support...................................................................................................21
1.5.3 Real-Time Clock, CMOS SRAM, and Battery................................................24
1.6 PCI Express* Connectors ............................................................................................28
1.7 Legacy I/O Controller ...................................................................................................28
1.7.1 Serial Port......................................................................................................28
1.7.2 Parallel Port...................................................................................................29
1.7.3 Diskette Drive Controller................................................................................29
1.7.4 Keyboard and Mouse Interface .....................................................................29
1.8 Audio Subsystem .........................................................................................................30
1.8.1 Audio Subsystem Software ...........................................................................30
1.8.2 Audio Connectors..........................................................................................30
1.8.3 8-Channel (7.1) Audio Subsystem.................................................................30
1.9 LAN Subsystem ...........................................................................................................32
1.9.1 Marvell* Yukon* 88E8036 PCI Express 10/100 Ethernet Controller .............32
1.9.2 RJ-45 LAN Connector with Integrated LEDs.................................................32
1.9.3 LAN Subsystem Software..............................................................................32
1.10 Hardware Management Subsystem.............................................................................33
1.10.1 Hardware Monitoring and Fan Control ASIC.................................................33
1.10.2 Thermal Monitoring........................................................................................34
1.10.3 Fan Monitoring...............................................................................................35
1.10.4 Chassis Intrusion and Detection....................................................................35
1.11 Power Management.....................................................................................................35
1.11.1 ACPI ..............................................................................................................36
1.11.2 Hardware Support .........................................................................................38
2 Technical Reference
2.1 Introduction ..................................................................................................................43
2.2 Memory Resources......................................................................................................43
2.2.1 Addressable Memory.....................................................................................43
2.2.2 Memory Map..................................................................................................45
2.3 DMA Channels.............................................................................................................45
2.4 Fixed I/O Map...............................................................................................................46
2.5 PCI Configuration Space Map......................................................................................47
2.6 Interrupts......................................................................................................................48