
Intel Desktop Board D945GPM Technical Product Specification
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2
Technical Reference
2.1
Memory Resources ...................................................................................................... 47
2.1.1
Addressable Memory..................................................................................... 47
2.1.2
Memory Map.................................................................................................. 49
2.2
DMA Channels ............................................................................................................. 49
2.3
Fixed I/O Map............................................................................................................... 50
2.4
PCI Configuration Space Map...................................................................................... 51
2.5
Interrupts ...................................................................................................................... 52
2.6
PCI Conventional Interrupt Routing Map ..................................................................... 53
2.7
Connectors................................................................................................................... 54
2.7.1
Back Panel Connectors ................................................................................. 54
2.7.2
Component-side Connectors......................................................................... 56
2.8
Jumper Block ............................................................................................................... 64
2.9
Mechanical Considerations .......................................................................................... 65
2.9.1
Form Factor ................................................................................................... 65
2.9.2
I/O Shield....................................................................................................... 66
2.10
Electrical Considerations.............................................................................................. 68
2.10.1
DC Loading.................................................................................................... 68
2.10.2
Add-in Board Considerations......................................................................... 68
2.10.3
Fan Connector Current Capability ................................................................. 69
2.10.4
Power Supply Considerations ....................................................................... 69
2.11
Thermal Considerations ............................................................................................... 70
2.12
Reliability...................................................................................................................... 72
2.13
Environmental .............................................................................................................. 73
2.14
Regulatory Compliance................................................................................................ 74
2.14.1
Safety Regulations ........................................................................................ 74
2.14.2
European Union Declaration of Conformity Statement.................................. 74
2.14.3
Product Ecology Statements ......................................................................... 76
2.14.4
EMC Regulations........................................................................................... 79
2.14.5
Product Certification Markings (Board Level) ................................................ 80
3
Overview of BIOS Features
3.1
Introduction .................................................................................................................. 81
3.2
BIOS Flash Memory Organization ............................................................................... 82
3.3
Resource Configuration ............................................................................................... 82
3.3.1
PCI Autoconfiguration.................................................................................... 82
3.3.2
PCI IDE Support ............................................................................................ 82
3.4
System Management BIOS (SMBIOS) ........................................................................ 83
3.5
Legacy USB Support.................................................................................................... 83
3.6
BIOS Updates .............................................................................................................. 84
3.6.1
Language Support ......................................................................................... 84
3.6.2
Custom Splash Screen.................................................................................. 84
3.7
Boot Options ................................................................................................................ 85
3.7.1
CD-ROM Boot ............................................................................................... 85
3.7.2
Network Boot ................................................................................................. 85
3.7.3
Booting Without Attached Devices ................................................................ 85
3.7.4
Changing the Default Boot Device During POST .......................................... 85