Intel Desktop Board DZ77SL-50K Technical Product Specification
viii
2.4 Mechanical Considerations ................................................................ 57
2.4.1 Form
Factor ......................................................................... 57
2.5 Electr
ical Considerations ................................................................... 58
2.5.1 Power Supply Considerations
................................................. 58
2.5.2 Fan Header Curren
t Capability ................................................ 59
2.5.3 Add-in Board Considerations
.................................................. 59
2.6 Thermal Considerations
.................................................................... 59
2.7 Reliability ....................................................................................... 62
2.8 Environmental ................................................................................ 62
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 63
3.2 BIOS
Flash Memory Organization ....................................................... 64
3.3 Resource Configuration
.................................................................... 64
3.3.1 PCI E
xpress Autoconfiguration ................................................ 64
3.4 System
Management BIOS (SMBIOS) ................................................. 65
3.5 Legacy USB Support
........................................................................ 65
3.6 BIOS Updates
................................................................................. 66
3.6.1 Language Support
................................................................ 66
3.6.2 Custom Splash
Screen .......................................................... 67
3.7 BIOS
Recovery ................................................................................ 67
3.8 Boot
Options ................................................................................... 68
3.8.1 Optical Drive Boot
................................................................ 68
3.8.2 Networ
k Boot ....................................................................... 68
3.8.3 Booting Without Attached Devices .......................................... 68
3.8.4 Changing the
Default Boot Device During POST ........................ 68
3.9 Adjusting Boot
Speed ....................................................................... 69
3.9.1 Peripheral
Selection and Configuration .................................... 69
3.9.2 BIOS Boot Optimizations
....................................................... 69
3.10BIOS Security Features .................................................................... 70
3.11BIOS Performance Features
.............................................................. 71
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 73
4.2 BIOS Beep
Codes ............................................................................ 73
4.3 Front-panel Power
LED Blink Codes .................................................... 74
4.4 BIOS Error Messages
....................................................................... 74
4.5 Port 80h
POST Codes ....................................................................... 75
5 Regulatory Compliance and Battery Disposal Information
5.1 Regula
tory Compliance ..................................................................... 81
5.1.1 Safety Standards ................................................................. 81
5.1.2 European
Union Declaration of Conformity Statement ................ 82
5.1.3 Product Ecology Statements
.................................................. 83
5.1.4 China RoHS
......................................................................... 86
5.1.5 EMC Regulations
.................................................................. 87
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