Intel Desktop Board D955XCS Technical Product Specification
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2
Technical Reference
2.1
Memory Resources
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43
2.1.1
Addressable Memory
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43
2.1.2
Memory Map
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45
2.2
DMA Channels
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45
2.3
Fixed I/O Map
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46
2.4
PCI Configuration Space Map
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47
2.5
Interrupts
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48
2.6
PCI Conventional Interrupt Routing Map
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49
2.7
Connectors
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51
2.7.1
Back Panel Connectors
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51
2.7.2
Component-side Connectors
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54
2.8
Jumper Block
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65
2.9
Mechanical Considerations
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66
2.9.1
Form Factor
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66
2.9.2
I/O Shield
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67
2.10
Electrical Considerations
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69
2.10.1
DC Loading
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69
2.10.2
Add-in Board Considerations
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69
2.10.3
Fan Connector Current Capability
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70
2.10.4
Power Supply Considerations
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70
2.11
Thermal Considerations
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71
2.12
Reliability
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73
2.13
Environmental
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74
2.14
Regulatory Compliance
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75
2.14.1
Safety Regulations
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75
2.14.2
EMC Regulations
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75
2.14.3
European Union Declaration of Conformity Statement
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76
2.14.4
Recycling Considerations
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77
2.14.5
Product Certification Markings (Board Level)
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78
3
Overview of BIOS Features
3.1
Introduction
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79
3.2
Resource Configuration
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80
3.2.1
PCI Autoconfiguration
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80
3.2.2
PCI IDE Support
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80
3.3
System Management BIOS (SMBIOS)
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81
3.4
Legacy USB Support
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81
3.5
BIOS Updates
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82
3.5.1
Language Support
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82
3.5.2
Custom Splash Screen
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82
3.6
Boot Options
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83
3.6.1
CD-ROM Boot
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83
3.6.2
Network Boot
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83
3.6.3
Booting Without Attached Devices
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83
3.6.4
Changing the Default Boot Device During POST
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83