Intel Desktop Board D975XBX2 Technical Product Specification
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1.13
Power Management
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39
1.13.1
ACPI
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39
1.13.2
Hardware Support
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42
1.14
Onboard Power Button
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46
1.15
Onboard LEDs
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47
1.16
Trusted Platform Module (Optional)
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48
2
Technical Reference
2.1
Memory Resources
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49
2.1.1
Addressable Memory
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49
2.1.2
Memory Map
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51
2.2
DMA Channels
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51
2.3
Fixed I/O Map
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52
2.4
PCI Configuration Space Map
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53
2.5
Interrupts
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54
2.6
PCI Conventional Interrupt Routing Map
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55
2.7
Connectors
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56
2.7.1
Back Panel Connectors
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56
2.7.2
Component-side Connectors and Headers
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59
2.8
Jumper Block
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70
2.9
Mechanical Considerations
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71
2.9.1
Form Factor
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71
2.9.2
I/O Shield
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72
2.10
Electrical Considerations
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74
2.10.1
DC Loading
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74
2.10.2
Add-in Board Considerations
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74
2.10.3
Fan Header Current Capability
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75
2.10.4
Power Supply Considerations
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75
2.11
Thermal Considerations
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76
2.12
Reliability
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78
2.13
Environmental
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79
3
Overview of BIOS Features
3.1
Introduction
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81
3.2
Resource Configuration
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82
3.2.1
PCI Autoconfiguration
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82
3.2.2
PCI IDE Support
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82
3.3
System Management BIOS (SMBIOS)
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83
3.4
Watchdog Timer
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83
3.5
Legacy USB Support
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84
3.6
BIOS Updates
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84
3.6.1
Language Support
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85
3.6.2
Custom Splash Screen
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85