Technical Product Specification
Intel Desktop Board DB75EN Technical Product Specification
viii
1.11.4 Intel
®
Anti-Theft Technology ................................................... 34
1.11.5 Intel
®
Management Engine (Intel
®
ME) Software and Drivers ...... 35
1.12 Power Management .......................................................................... 36
1.12.1 ACPI .................................................................................... 36
1.12.2 Hardware Support ................................................................. 38
2 Technical Reference
2.1 Memory Resources ........................................................................... 43
2.1.1 Addressable Memory.............................................................. 43
2.1.2 Memory Map ......................................................................... 45
2.2 Connectors and Headers .................................................................... 45
2.2.1 Back Panel Connectors ........................................................... 46
2.2.2 Component-side Connectors and Headers ................................. 47
2.3 Jumper Block ................................................................................... 57
2.4 Intel
®
Management Engine BIOS Extension (Intel
®
MEBX) Reset Header . 58
2.5 Mechanical Considerations ................................................................. 59
2.5.1 Form Factor .......................................................................... 59
2.6 Electrical Considerations .................................................................... 60
2.6.1 Power Supply Considerations .................................................. 60
2.6.2 Power Supervisor .................................................................. 61
2.6.3 Fan Header Current Capability ................................................ 61
2.6.4 Add-in Board Considerations ................................................... 61
2.7 Thermal Considerations ..................................................................... 61
2.8 Reliability ........................................................................................ 64
2.9 Environmental .................................................................................. 64
3 Overview of BIOS Features
3.1 Introduction ..................................................................................... 65
3.2 BIOS Flash Memory Organization ........................................................ 66
3.3 Resource Configuration ..................................................................... 66
3.3.1 PCI Express Autoconfiguration ................................................ 66
3.4 S
ystem Management BIOS (SMBIOS) ................................................. 67
3.5 Legacy USB Support ......................................................................... 67
3.6 BIOS Updates .................................................................................. 68
3.6.1 Language Support ................................................................. 68
3.6.2 Custom Splash Screen ........................................................... 69
3.7 BIOS Recovery ................................................................................. 69
3.8 Boot Options .................................................................................... 70
3.8.1 Optical Drive Boot ................................................................. 70
3.8.2 Network Boot ........................................................................ 70
3.8.3 Booting Without Attached Devices ........................................... 70
3.8.4 Changing the Default Boot Device During POST ......................... 70
3.9 Adjusting Boot Speed ........................................................................ 71
3.9.1 Peripheral Selection and Configuration ..................................... 71
3.9.2 BIOS Boot Optimizations ........................................................ 71