Intel D975XBX2 - Desktop Board Motherboard, Specification

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Intel Desktop Board D975XBX2 Technical Product Specification
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1.13 Power Management .......................................................................... 39
1.13.1 ACPI .................................................................................... 39
1.13.2 Hardware Support ................................................................. 42
1.14 Onboard Power Button ...................................................................... 46
1.15 Onboard LEDs .................................................................................. 47
1.16 Trusted Platform Module (Optional)..................................................... 48
2 Technical Reference
2.1 Memory Resources ........................................................................... 49
2.1.1 Addressable Memory ............................................................. 49
2.1.2 Memory Map......................................................................... 51
2.2 DMA Channels.................................................................................. 51
2.3 Fixed I/O Map .................................................................................. 52
2.4 PCI Configuration Space Map ............................................................. 53
2.5 Interrupts........................................................................................ 54
2.6 PCI Conventional Interrupt Routing Map .............................................. 55
2.7 Connectors ...................................................................................... 56
2.7.1 Back Panel Connectors........................................................... 56
2.7.2 Component-side Connectors and Headers................................. 59
2.8 Jumper Block ................................................................................... 70
2.9 Mechanical Considerations ................................................................. 71
2.9.1 Form Factor.......................................................................... 71
2.9.2 I/O Shield ............................................................................ 72
2.10 Electrical Considerations .................................................................... 74
2.10.1 DC Loading........................................................................... 74
2.10.2 Add-in Board Considerations................................................... 74
2.10.3 Fan Header Current Capability ................................................ 75
2.10.4 Power Supply Considerations .................................................. 75
2.11 Thermal Considerations ..................................................................... 76
2.12 Reliability......................................................................................... 78
2.13 Environmental.................................................................................. 79
3 Overview of BIOS Features
3.1 Introduction..................................................................................... 81
3.2 Resource Configuration ..................................................................... 82
3.2.1 PCI Autoconfiguration ............................................................ 82
3.2.2 PCI IDE Support.................................................................... 82
3.3 System Management BIOS (SMBIOS) ................................................. 83
3.4 Watchdog Timer ............................................................................... 83
3.5 Legacy USB Support ......................................................................... 84
3.6 BIOS Updates .................................................................................. 84
3.6.1 Language Support ................................................................. 85
3.6.2 Custom Splash Screen ........................................................... 85