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
Electrical Considerations
...................................................................
62
2.5.1
Power Supply Considerations
.................................................
62
2.5.2
Power Supervisor
.................................................................
63
2.5.3
Fan Header Current 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 Express 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
Network 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
3.10 BIOS Security Features
....................................................................
76
3.11 BIOS 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
Regulatory 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