Intel Desktop Board D845HV/D845WN Technical Product Specification
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2 Technical Reference
2.1 Introduction................................................................................................................ 47
2.2 Memory Map ............................................................................................................. 47
2.3 I/O Map .................................................................................................................... 48
2.4 DMA Channels .......................................................................................................... 50
2.5 PCI Configuration Space Map ................................................................................... 50
2.6 Interrupts ...................................................................................................................51
2.7 PCI Interrupt Routing Map......................................................................................... 51
2.8 Connectors ................................................................................................................ 53
2.8.1 Back Panel Connectors............................................................................... 54
2.8.2 Internal I/O Connectors ............................................................................... 57
2.8.3 External I/O Connectors .............................................................................. 70
2.9 Jumper Blocks ........................................................................................................... 74
2.9.1 Front Panel Audio Connector/Jumper Block................................................ 74
2.9.2 BIOS Setup Configuration Jumper Block..................................................... 75
2.10 Mechanical Considerations........................................................................................ 76
2.10.1 D845HV Form Factor .................................................................................. 76
2.10.2 D845WN Form Factor ................................................................................. 77
2.10.3 I/O Shield .................................................................................................... 78
2.11 Electrical Considerations ........................................................................................... 80
2.11.1 Power Consumption .................................................................................... 80
2.11.2 Add-in Board Considerations....................................................................... 80
2.11.3 Standby Current Requirements ................................................................... 81
2.11.4 Fan Connector Current Capability ............................................................... 82
2.11.5 Power Supply Considerations...................................................................... 82
2.12 Thermal Considerations............................................................................................. 83
2.13 Reliability ................................................................................................................... 85
2.14 Environmental............................................................................................................ 85
2.15 Regulatory Compliance ............................................................................................. 86
2.15.1 Safety Regulations ...................................................................................... 86
2.15.2 EMC Regulations ........................................................................................ 86
2.15.3 Product Certification Markings (Board Level) .............................................. 87
3 Overview of BIOS Features
3.1 Introduction................................................................................................................ 89
3.2 BIOS Flash Memory Organization ............................................................................. 90
3.3 Resource Configuration............................................................................................. 90
3.3.1 PCI Autoconfiguration ................................................................................. 90
3.3.2 PCI IDE Support.......................................................................................... 90
3.4 System Management BIOS (SMBIOS) ...................................................................... 91
3.5 Legacy USB Support ................................................................................................. 91
3.6 BIOS Updates............................................................................................................ 92
3.6.1 Language Support....................................................................................... 93
3.6.2 Custom Splash Screen................................................................................ 93
3.7 Recovering BIOS Data .............................................................................................. 93
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