Intel BLKDQ43AP, Specification, Page: 6 / 90

Intel Desktop Board DQ43AP Technical Product Specification
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2 Technical Reference
2.1 Memory Map................................................................................... 39
2.1.1 Addressable Memory............................................................. 39
2.2 Connectors and Headers................................................................... 42
2.2.1 Back Panel Connectors .......................................................... 43
2.2.2 Component-side Connectors and Headers ................................ 44
2.3 BIOS Configuration Jumper Block....................................................... 53
2.4 Mechanical Considerations ................................................................ 55
2.4.1 Form Factor......................................................................... 55
2.5 Electrical Considerations................................................................... 56
2.5.1 Power Supply Considerations ................................................. 56
2.5.2 Fan Header Current Capability................................................ 56
2.5.3 Add-in Board Considerations .................................................. 57
2.6 Thermal Considerations .................................................................... 57
2.7 Reliability ....................................................................................... 59
2.8 Environmental ................................................................................ 59
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 61
3.2 BIOS Flash Memory Organization ....................................................... 62
3.3 Resource Configuration .................................................................... 62
3.3.1 PCI* Autoconfiguration.......................................................... 62
3.4 System Management BIOS (SMBIOS)................................................. 63
3.5 Legacy USB Support ........................................................................ 64
3.6 BIOS Updates ................................................................................. 65
3.6.1 Language Support ................................................................ 65
3.6.2 Custom Splash Screen .......................................................... 65
3.7 BIOS Recovery................................................................................ 66
3.8 Boot Options................................................................................... 66
3.8.1 CD-ROM Boot ...................................................................... 66
3.8.2 Network Boot....................................................................... 66
3.8.3 Booting Without Attached Devices........................................... 67
3.8.4 Changing the Default Boot Device During POST ........................ 67
3.9 Adjusting Boot Speed....................................................................... 67
3.9.1 Peripheral Selection and Configuration..................................... 67
3.9.2 BIOS Boot Optimizations ....................................................... 68
3.10 BIOS Security Features .................................................................... 69
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 71
4.2 BIOS Beep Codes ............................................................................ 71
4.3 Front-panel Power LED Blink Codes .................................................... 72
4.4 BIOS Error Messages ....................................................................... 72
4.5 Port 80h POST Codes ....................................................................... 73