Intel Desktop Board D945GNT Technical Product Specification
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2
Technical Reference
2.1
Introduction
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47
2.2
Memory Resources
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47
2.2.1
Addressable Memory
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47
2.2.2
Memory Map
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49
2.3
DMA Channels
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49
2.4
Fixed I/O Map
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50
2.5
PCI Configuration Space Map
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51
2.6
Interrupts
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2.7
PCI Conventional Interrupt Routing Map
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53
2.8
Connectors
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55
2.8.1
Back Panel Connectors
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55
2.8.2
Component-side Connectors
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58
2.9
Jumper Block
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67
2.10
Mechanical Considerations
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68
2.10.1
Form Factor
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68
2.10.2
I/O Shield
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69
2.11
Electrical Considerations
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71
2.11.1
DC Loading
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2.11.2
Add-in Board Considerations
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2.11.3
Fan Connector Current Capability
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2.11.4
Power Supply Considerations
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72
2.12
Thermal Considerations
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73
2.13
Reliability
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75
2.14
Environmental
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76
2.15
Regulatory Compliance
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77
2.15.1
Safety Regulations
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77
2.15.2
EMC Regulations
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77
2.15.3
European Union Declaration of Conformity Statement
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78
2.15.4
Recycling Considerations
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79
2.15.5
Product Certification Markings (Board Level)
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3
Overview of BIOS Features
3.1
Introduction
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81
3.2
BIOS Flash Memory Organization
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82
3.3
Resource Configuration
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82
3.3.1
PCI Autoconfiguration
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82
3.3.2
PCI IDE Support
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82
3.4
System Management BIOS (SMBIOS)
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83
3.5
Legacy USB Support
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83
3.6
BIOS Updates
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84
3.6.1
Language Support
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84
3.6.2
Custom Splash Screen
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84
3.7
Boot Options
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85
3.7.1
CD-ROM Boot
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85
3.7.2
Network Boot
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85
3.7.3
Booting Without Attached Devices
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85
3.7.4
Changing the Default Boot Device During POST
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85