Datasheet

Contents

1 Product Description

1.1 Power Connector Terminology Change.........................................................................9

1.2 Overview ......................................................................................................................10

1.2.1 Feature Summary..........................................................................................10

1.2.2 Manufacturing Options ..................................................................................11

1.2.3 Board Layout .................................................................................................12

1.2.4 Block Diagram ...............................................................................................14

1.3 Online Support .............................................................................................................15

1.4 Processor.....................................................................................................................15

1.5 System Memory ...........................................................................................................16

1.5.1 Memory Configurations .................................................................................17

1.6 Intel

945G Chipset .....................................................................................................21

1.6.1 Intel 945G Graphics Subsystem....................................................................21

1.6.2 USB ...............................................................................................................23

1.6.3 IDE Support...................................................................................................24

1.6.4 Real-Time Clock, CMOS SRAM, and Battery................................................25

1.7 PCI Express* Connectors ............................................................................................30

1.8 IEEE-1394a Connectors ..............................................................................................30

1.9 Legacy I/O Controller ...................................................................................................30

1.9.1 Serial Port......................................................................................................31

1.9.2 Parallel Port (Optional) ..................................................................................31

1.9.3 Diskette Drive Controller................................................................................31

1.9.4 Keyboard and Mouse Interface .....................................................................31

1.10 Audio Subsystem .........................................................................................................32

1.10.1 Audio Subsystem Software ...........................................................................32

1.10.2 Audio Connectors..........................................................................................32

1.10.3 8-Channel (7.1) Audio Subsystem.................................................................32

1.11 LAN Subsystem ...........................................................................................................34

1.11.1 LAN Subsystem Software..............................................................................34

1.11.2 Intel

82573L Gigabit Ethernet Controller.....................................................34

1.12 Hardware Management Subsystem.............................................................................35

1.12.1 Hardware Monitoring and Fan Control ASIC.................................................35

1.12.2 Chassis Intrusion and Detection....................................................................35

1.12.3 Fan Monitoring...............................................................................................35

1.12.4 Thermal Monitoring........................................................................................36

1.13 Power Management.....................................................................................................37

1.13.1 ACPI ..............................................................................................................37

1.13.2 Hardware Support .........................................................................................39

1.14 Trusted Platform Module (Optional).............................................................................43