Intel Desktop Board DH77DF Technical Product Specification
viii
2.3 Jumper Block .................................................................................. 59
2.4 Mechanical Considerations
................................................................ 61
2.4.1 Form
Factor ......................................................................... 61
2.5 Electr
ical Considerations ................................................................... 62
2.5.1 Power Supply Considerations
................................................. 62
2.5.2 Power Supervisor
................................................................. 63
2.5.3 Fan Header Curren
t Capability ................................................ 63
2.5.4 Add-in Board Considerations
.................................................. 63
2.6 Thermal Considerations
.................................................................... 64
2.7 Reliability ....................................................................................... 67
2.8 Environmental ................................................................................ 67
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 69
3.2 BIOS
Flash Memory Organization ....................................................... 70
3.3 Resource Configuration
.................................................................... 70
3.3.1 PCI E
xpress Autoconfiguration ................................................ 70
3.4 System
Management BIOS (SMBIOS) ................................................. 71
3.5 Legacy USB Support
........................................................................ 71
3.6 BIOS Updates
................................................................................. 72
3.6.1 Language Support
................................................................ 72
3.6.2 Custom Splash
Screen .......................................................... 73
3.7 BIOS
Recovery ................................................................................ 73
3.8 Boot
Options ................................................................................... 74
3.8.1 Optical Drive Boot
................................................................ 74
3.8.2 Networ
k Boot ....................................................................... 74
3.8.3 Booting Without Attached Devices .......................................... 74
3.8.4 Changing the
Default Boot Device During POST ........................ 74
3.9 Adjusting Boot
Speed ....................................................................... 75
3.9.1 Peripheral
Selection and Configuration .................................... 75
3.9.2 BIOS Boot Optimizations
....................................................... 75
3.10BIOS Security Features .................................................................... 76
3.11BIOS Performance Features
.............................................................. 77
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 79
4.2 BIOS Beep
Codes ............................................................................ 79
4.3 Front-panel Power
LED Blink Codes .................................................... 80
4.4 BIOS Error Messages
....................................................................... 80
4.5 Port 80h
POST Codes ....................................................................... 81
5 Regulatory Compliance and Battery Disposal Information
5.1 Regula
tory Compliance ..................................................................... 87
5.1.1 Safety Standards ................................................................. 87
5.1.2 European
Union Declaration of Conformity Statement ................ 88
5.1.3 Product Ecology Statements
.................................................. 89
5.1.4 China RoHS
......................................................................... 92
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