Intel Desktop Board DG41KR Technical Product Specification
vi
2.4
Mechanical Considerations
................................................................
55
2.4.1
Form Factor
.........................................................................
55
2.5
Electrical Considerations
...................................................................
56
2.5.1
Power Supply Considerations
.................................................
56
2.5.2
Fan Header Current Capability
................................................
57
2.5.3
Add-in Board Considerations
..................................................
57
2.6
Thermal Considerations
....................................................................
57
2.7
Reliability
.......................................................................................
59
2.8
Environmental
................................................................................
60
3
Overview of BIOS Features
3.1
Introduction
...................................................................................
61
3.2
BIOS Flash Memory Organization
.......................................................
62
3.3
Resource Configuration
....................................................................
62
3.3.1
PCI Autoconfiguration
...........................................................
62
3.3.2
PCI IDE Support
...................................................................
63
3.4
System Management BIOS (SMBIOS)
.................................................
63
3.5
Legacy USB Support
........................................................................
64
3.6
BIOS Updates
.................................................................................
65
3.6.1
Language Support
................................................................
65
3.6.2
Custom Splash Screen
..........................................................
66
3.7
BIOS Recovery
................................................................................
66
3.8
Boot Options
...................................................................................
67
3.8.1
CD-ROM Boot
......................................................................
67
3.8.2
Network Boot
.......................................................................
67
3.8.3
Booting Without Attached Devices
...........................................
67
3.8.4
Changing the Default Boot Device During POST
........................
67
3.9
Adjusting Boot Speed
.......................................................................
68
3.9.1
Peripheral Selection and Configuration
.....................................
68
3.9.2
BIOS Boot Optimizations
.......................................................
68
3.10
BIOS Security Features
....................................................................
69
4
Error Messages and Beep Codes
4.1
Speaker
.........................................................................................
71
4.2
BIOS Beep Codes
............................................................................
71
4.3
Front-panel Power LED Blink Codes
....................................................
72
4.4
BIOS Error Messages
.......................................................................
72
4.5
Port 80h POST Codes
.......................................................................
73