Intel Desktop Board DH77EB Technical Product Specification
viii
2.3
Jumper Block
...................................................................................
57
2.4
Mechanical Considerations
.................................................................
59
2.4.1
Form Factor
..........................................................................
59
2.5
Electrical Considerations
....................................................................
60
2.5.1
Power Supply Considerations
..................................................
60
2.5.2
Power Supervisor
..................................................................
60
2.5.3
Fan Header Current Capability
................................................
61
2.5.4
Add-in Board Considerations
...................................................
61
2.6
Thermal Considerations
.....................................................................
61
2.7
Reliability
........................................................................................
64
2.8
Environmental
..................................................................................
64
3
Overview of BIOS Features
3.1
Introduction
.....................................................................................
65
3.2
BIOS Flash Memory Organization
........................................................
66
3.3
Resource Configuration
.....................................................................
66
3.3.1
PCI Express Autoconfiguration
................................................
66
3.4
System Management BIOS (SMBIOS)
.................................................
67
3.5
Legacy USB Support
.........................................................................
67
3.6
BIOS Updates
..................................................................................
68
3.6.1
Language Support
.................................................................
68
3.6.2
Custom Splash Screen
...........................................................
69
3.7
BIOS Recovery
.................................................................................
69
3.8
Boot Options
....................................................................................
70
3.8.1
Optical Drive Boot
.................................................................
70
3.8.2
Network Boot
........................................................................
70
3.8.3
Booting Without Attached Devices
...........................................
70
3.8.4
Changing the Default Boot Device During POST
.........................
70
3.9
Adjusting Boot Speed
........................................................................
71
3.9.1
Peripheral Selection and Configuration
.....................................
71
3.9.2
BIOS Boot Optimizations
........................................................
71
3.10
BIOS Security Features
.....................................................................
72
3.11
BIOS Performance Features
...............................................................
73
4
Error Messages and Beep Codes
4.1
Speaker
..........................................................................................
75
4.2
BIOS Beep Codes
.............................................................................
75
4.3
Front-panel Power LED Blink Codes
.....................................................
76
4.4
BIOS Error Messages
........................................................................
76
4.5
Port 80h Power On Self Test (POST) Codes
..........................................
77
5
Regulatory Compliance and Battery Disposal Information
5.1
Regulatory Compliance
......................................................................
83
5.1.1
Safety Standards
...................................................................
83
5.1.2
European Union Declaration of Conformity Statement
................
84
5.1.3
Product Ecology Statements
...................................................
85
5.1.4
China RoHS
..........................................................................
88