Intel Desktop Board DH77KC Technical Product Specification
viii
2.4 Mechanical Considerations ................................................................ 60
2.4.1 Form Factor ......................................................................... 60
2.5 Electrica
l Considerations ................................................................... 61
2.5.1 Power Supply Considerations ................................................. 61
2.5.2 Fan Header Current
Capability ................................................ 62
2.5.3 Add-in Board Considerations .................................................. 62
2.6 Thermal Considerations .................................................................... 62
2.7 Reliability ....................................................................................... 65
2.8 Environmental ................................................................................ 65
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 67
3.2 BIOS F
lash Memory Organization ....................................................... 68
3.3 Resource Configuration .................................................................... 68
3.3.1 PCI Ex
press Autoconfiguration ................................................ 68
3.4 System Ma
nagement BIOS (SMBIOS) ................................................. 69
3.5 Legacy USB Support ........................................................................ 69
3.6 BIOS Updates ................................................................................. 70
3.6.1 Language Support ................................................................ 70
3.6.2 Custom Splash Screen
.......................................................... 71
3.7 BIOS R
ecovery ................................................................................ 71
3.8 Boot Op
tions ................................................................................... 72
3.8.1 Optical Drive Boot ................................................................ 72
3.8.2 Network Boot
....................................................................... 72
3.8.3 Booting Without Attached Devices .......................................... 72
3.8.4 Changing the Default Boot
Device During POST ........................ 72
3.9 Adjusting Boot Sp
eed ....................................................................... 73
3.9.1 Peripheral Selection and Configuration .................................... 73
3.9.2 BIOS Boot Optimizations ....................................................... 73
3.10BIOS Security Features .................................................................... 74
3.11BIOS Performance Features
.............................................................. 75
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 77
4.2 BIOS Beep Codes
............................................................................ 77
4.3 Front-panel Power LED Blink Codes
.................................................... 77
4.4 BIOS Error Messages ....................................................................... 78
4.5 Port 80h Power On Self Test (POST) Codes
......................................... 79
5 Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance ..................................................................... 85
5.1.1 Safety Standards ................................................................. 85
5.1.2 European Union D
eclaration of Conformity Statement ................ 86
5.1.3 Product Ecology Statements .................................................. 87
5.1.4 China RoHS ......................................................................... 90
5.1.5 EMC Regulations .................................................................. 91
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