Intel Desktop Board D945GCL Technical Product Specification
vi
2.5
Interrupts ...................................................................................... 44
2.6
PCI Conventional Interrupt Routing Map ............................................. 45
2.7
Connectors and Headers................................................................... 46
2.7.1
Back Panel Connectors .......................................................... 47
2.7.2
Component-side Connectors and Headers ................................ 48
2.8
Jumper Block .................................................................................. 56
2.9
Mechanical Considerations ................................................................ 57
2.9.1
Form Factor......................................................................... 57
2.9.2
I/O Shield ........................................................................... 58
2.10
Electrical Considerations................................................................... 59
2.10.1
DC Loading.......................................................................... 59
2.10.2
Add-in Board Considerations .................................................. 59
2.10.3
Fan Header Current Capability................................................ 60
2.10.4
Power Supply Considerations ................................................. 60
2.11
Thermal Considerations .................................................................... 61
2.12
Reliability ....................................................................................... 63
2.13
Environmental ................................................................................ 64
3
Overview of BIOS Features
3.1
Introduction ................................................................................... 65
3.2
BIOS Flash Memory Organization ....................................................... 66
3.3
Resource Configuration .................................................................... 66
3.3.1
PCI Autoconfiguration ........................................................... 66
3.3.2
PCI IDE Support................................................................... 66
3.4
System Management BIOS (SMBIOS)................................................. 67
3.5
BIOS Updates ................................................................................. 68
3.5.1
Language Support ................................................................ 68
3.5.2
Custom Splash Screen .......................................................... 68
3.6
Legacy USB Support ........................................................................ 69
3.7
Boot Options................................................................................... 69
3.7.1
CD-ROM Boot ...................................................................... 69
3.7.2
Network Boot....................................................................... 69
3.7.3
Booting Without Attached Devices........................................... 70
3.7.4
Changing the Default Boot Device During POST ........................ 70
3.8
Adjusting Boot Speed....................................................................... 71
3.8.1
Peripheral Selection and Configuration..................................... 71
3.8.2
BIOS Boot Optimizations ....................................................... 71
3.9
BIOS Security Features .................................................................... 72
4
Error Messages and Beep Codes
4.1
Speaker ......................................................................................... 73
4.2
BIOS Beep Codes ............................................................................ 73
4.3
BIOS Error Messages ....................................................................... 73
4.4
Port 80h POST Codes ....................................................................... 74
