Intel Desktop Board DB85FL Technical Product Specification
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2 Technical Reference
2.1 Memory Resources ........................................................................... 39
2.1.1 Addressable Memory.............................................................. 39
2.2 Connectors and Headers .................................................................... 40
2.2.1 Back Panel Connectors ........................................................... 41
2.2.2 Component-side Connectors and Headers ................................. 42
2.3 BIOS Security Jumper ....................................................................... 51
2.4 Mechanical Considerations ................................................................. 53
2.4.1 Form Factor .......................................................................... 53
2.5 Electrical Considerations .................................................................... 54
2.5.1 Power Supply Considerations .................................................. 54
2.5.2 Fan Header Current Capability ................................................ 55
2.5.3 Add-in Board Considerations ................................................... 55
2.6 Thermal Considerations ..................................................................... 55
2.7 Reliability ........................................................................................ 58
2.8 Environmental .................................................................................. 58
3 Overview of BIOS Features
3.1 Introduction ..................................................................................... 59
3.2 BIOS Flash Memory Organization ........................................................ 60
3.3 Resource Configuration ..................................................................... 61
3.3.1 PCI Express Autoconfiguration ................................................ 61
3.4 System Management BIOS (SMBIOS) ................................................. 61
3.5 Legacy USB Support ......................................................................... 61
3.6 BIOS Updates .................................................................................. 62
3.6.1 Language Support ................................................................. 62
3.6.2 Custom Splash Screen ........................................................... 63
3.7 BIOS Recovery ................................................................................. 63
3.8 Boot Options .................................................................................... 64
3.8.1 Optical Drive Boot ................................................................. 64
3.8.2 Network Boot ........................................................................ 64
3.8
.3 Booting Without Attached Devices ........................................... 64
3.8.4 Changing the Default Boot Device During POST ......................... 64
3.9 Adjusting Boot Speed ........................................................................ 65
3.9.1 Peripheral Selection and Configuration ..................................... 65
3.9.2 BIOS Boot Optimizations ........................................................ 65
3.9.3 Power Button Menu ............................................................... 66
3.10 Hard Disk Drive Password Security Feature .......................................... 66
3.11 BIOS Security Features ..................................................................... 67
3.12 BIOS Performance Features ............................................................... 68
4 BIOS Error Codes and Messages
4.1 BIOS Error Codes ............................................................................. 69
4.1.1 BIOS Beep Codes .................................................................. 69
4.1.2 Front-panel Power LED Blink Codes ......................................... 70
4.2 BIOS Error Messages ........................................................................ 70
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