Intel Desktop Board DB85FL Technical Product Specification
viii
2
Technical Reference
2.1
Memory Resources
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39
2.1.1
Addressable Memory
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39
2.2
Connectors and Headers
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40
2.2.1
Back Panel Connectors
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41
2.2.2
Component-side Connectors and Headers
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42
2.3
BIOS Security Jumper
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51
2.4
Mechanical Considerations
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53
2.4.1
Form Factor
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53
2.5
Electrical Considerations
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54
2.5.1
Power Supply Considerations
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54
2.5.2
Fan Header Current Capability
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55
2.5.3
Add-in Board Considerations
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55
2.6
Thermal Considerations
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55
2.7
Reliability
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58
2.8
Environmental
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58
3
Overview of BIOS Features
3.1
Introduction
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59
3.2
BIOS Flash Memory Organization
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60
3.3
Resource Configuration
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61
3.3.1
PCI Express Autoconfiguration
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61
3.4
System Management BIOS (SMBIOS)
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61
3.5
Legacy USB Support
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61
3.6
BIOS Updates
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62
3.6.1
Language Support
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62
3.6.2
Custom Splash Screen
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63
3.7
BIOS Recovery
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63
3.8
Boot Options
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64
3.8.1
Optical Drive Boot
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64
3.8.2
Network Boot
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64
3.8.3
Booting Without Attached Devices
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64
3.8.4
Changing the Default Boot Device During POST
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64
3.9
Adjusting Boot Speed
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65
3.9.1
Peripheral Selection and Configuration
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65
3.9.2
BIOS Boot Optimizations
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65
3.9.3
Power Button Menu
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66
3.10
Hard Disk Drive Password Security Feature
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66
3.11
BIOS Security Features
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67
3.12
BIOS Performance Features
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68
4
BIOS Error Codes and Messages
4.1
BIOS Error Codes
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69
4.1.1
BIOS Beep Codes
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69
4.1.2
Front-panel Power LED Blink Codes
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70
4.2
BIOS Error Messages
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70