Intel Desktop Board DZ68BC Technical Product Specification
viii
1.13.3 Chassis Intrusion and Detection .............................................. 34
1.13.4 Thermal Monitoring ............................................................... 35
1.14 Power Management .......................................................................... 36
1.14.1 ACPI .................................................................................... 36
1.14.2 Hardware Support ................................................................. 39
1.15 Board Status LEDs ............................................................................ 43
1.16 Onboard Power and Reset Buttons ...................................................... 45
2 Technical Reference
2.1 Memory Resources ........................................................................... 47
2.1.1 Addressable Memory ............................................................. 47
2.1.2 Memory Map ......................................................................... 49
2.2 Connectors and Headers .................................................................... 49
2.2.1 Back Panel Connectors ........................................................... 50
2.2.2 Component-side Connectors and Headers................................. 51
2.3 Jumper Block ................................................................................... 61
2.4 Mechanical Considerations ................................................................. 63
2.4.1 Form Factor .......................................................................... 63
2.5 Electrical Considerations .................................................................... 64
2.5.1 Power Supply Considerations .................................................. 64
2.5.2 Fan Header Current Capability ................................................ 65
2.5.3 Add-in Board Considerations ................................................... 65
2.6 Thermal Considerations ..................................................................... 66
2.7 Reliability......................................................................................... 68
2.8 Environmental .................................................................................. 68
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 B
IOS Boot Optimizations ........................................................ 75