Intel Desktop Board DQ87PG Technical Product Specification
viii
2 Technical Reference
2.1 Memory Resources ........................................................................... 47
2.1.1 Addressable Memory.............................................................. 47
2.2 Connectors and Headers .................................................................... 48
2.2.1 Back Panel Connectors ........................................................... 49
2.2.2 Component-side Connectors and Headers ................................. 50
2.3 BIOS Security Jumper ....................................................................... 59
2.4 Intel
®
Management Engine BIOS Extension (Intel
®
MEBX) Reset Header . 61
2.5 Mechanical Considerations ................................................................. 62
2.5.1 Form Factor .......................................................................... 62
2.6 Electrical Considerations .................................................................... 63
2.6.1 Power Supply Considerations .................................................. 63
2.6.2 Fan Header Current Capability ................................................ 64
2.6.3 Add-in Board Considerations ................................................... 64
2.7 Thermal Considerations ..................................................................... 65
2.8 Reliability ........................................................................................ 68
2.9 Environmental .................................................................................. 68
3 Overview of BIOS Features
3.1 Introduction ..................................................................................... 69
3.2 BIOS Flash Memory Organization ........................................................ 70
3.3 Resource Configuration ..................................................................... 71
3.3.1 PCI Express Autoconfiguration ................................................ 71
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
3.9.3 Power Button Menu ............................................................... 76
3.10 Hard Disk Drive Password Security Feature .......................................... 76
3.11 BIOS Security Features ..................................................................... 77
3.12 BIOS Performance Features ............................................................... 79