Intel DZ77BH-55K, Specification, Page: 8 / 100

Intel Desktop Board DZ77BH-55K Technical Product Specification
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1.11 Power Management .......................................................................... 34
1.11.1 ACPI .................................................................................... 34
1.11.2 Hardware Support ................................................................. 37
1.12 Board Status LEDs ............................................................................ 42
1.13 Onboard Power Button ...................................................................... 44
2 Technical Reference
2.1 Memory Resources ........................................................................... 45
2.1.1 Addressable Memory ............................................................. 45
2.1.2 Memory Map ......................................................................... 47
2.2 Connectors and Headers .................................................................... 47
2.2.1 Back Panel Connectors ........................................................... 48
2.2.2 Component-side Connectors and Headers................................. 49
2.3 Jumper Block ................................................................................... 59
2.4 Mechanical Considerations ................................................................. 61
2.4.1 Form Factor .......................................................................... 61
2.5 Electrical Considerations .................................................................... 62
2.5.1 Power Supply Considerations .................................................. 62
2.5.2 Fan Header Current Capability ................................................ 63
2.5.3 Add-in Board Considerations ................................................... 63
2.6 Thermal Considerations ..................................................................... 64
2.7 Reliability......................................................................................... 67
2.8 Environmental .................................................................................. 67
3 Overview of BIOS Features
3.1 Introduction ..................................................................................... 69
3.2 BIOS Flash Memory Organization ........................................................ 70
3.3 Resource Configuration ..................................................................... 70
3.3.1 PCI Autoconfiguration ............................................................ 70
3.4 System Management BIOS (SMBIOS) ................................................. 71
3.5 Legacy USB Support ......................................................................... 71
3.6 BIOS Updates .................................................................................. 72
3.6.1 Language Support ................................................................. 72
3.6.2 Custom Splash Screen ........................................................... 73
3.7 BIOS Recovery ................................................................................. 73
3.8 Boot Options .................................................................................... 74
3.8.1 Optical Drive Boot ................................................................. 74
3.8.2 Network Boot ........................................................................ 74
3.8.3 Booting Without Attached Devices ........................................... 74
3.8.4 Changing the Default Boot Device During POST ......................... 74
3.9 Adjusting Boot Speed ........................................................................ 75
3.9.1 Peripheral Selection and Configuration ..................................... 75
3.9.2 BIOS Boot Optimizations ........................................................ 75
3.10 BIOS Security Features ..................................................................... 76
3.11 Back to BIOS Button ......................................................................... 77
3.12 BIOS Performance Features ............................................................... 77