Intel BLKDX79SI Technical Product Specification page 8

Intel Desktop Board DX79SI Technical Product Specification
2 Technical Reference
2.1 Memory Resources .......................................................................... 43
2.1.1 Addressable Memory ............................................................. 43
2.1.2 Memory Map ........................................................................ 45
2.2 Connectors and Headers ................................................................... 45
2.2.1 Back Panel Connectors .......................................................... 46
2.2.2 Component-side Connectors and Headers ................................ 48
2.3 Jumper Block .................................................................................. 58
2.4 Mechanical Considerations ................................................................ 60
2.4.1 Form Factor ......................................................................... 60
2.5 Electrical Considerations ................................................................... 61
2.5.1 Power Supply Considerations ................................................. 61
2.5.2 Fan Header Current Capability ................................................ 62
2.5.3 Add-in Board Considerations .................................................. 62
2.6 Thermal Considerations .................................................................... 63
2.7 Reliability ....................................................................................... 65
2.8 Environmental ................................................................................ 65
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 67
3.2 BIOS Flash Memory Organization ....................................................... 68
3.3 Resource Configuration .................................................................... 68
3.3.1 PCI Autoconfiguration ........................................................... 68
3.4 System Management BIOS (SMBIOS) ................................................. 69
3.5 Legacy USB Support ........................................................................ 69
3.6 BIOS Updates ................................................................................. 70
3.6.1 Language Support ................................................................ 70
3.6.2 Custom Splash Screen .......................................................... 71
3.7 BIOS Recovery ................................................................................ 71
3.8 Boot Options ................................................................................... 72
3.8.1 Optical Drive Boot ................................................................ 72
3.8.2 Network Boot ....................................................................... 72
3.8.3 Booting Without Attached Devices .......................................... 72
3.8.4 Changing the Default Boot Device During POST ........................ 72
3.9 Adjusting Boot Speed ....................................................................... 73
3.9.1 Peripheral Selection and Configuration .................................... 73
3.9.2 BIOS Boot Optimizations ....................................................... 73
3.10 BIOS Security Features .................................................................... 74
3.11 BIOS Performance Features .............................................................. 75
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 77
4.2 BIOS Beep Codes ............................................................................ 77
4.3 Front-panel Power LED Blink Codes .................................................... 78
4.4 BIOS Error Messages ....................................................................... 78
4.5 Port 80h POST Codes ....................................................................... 79
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