Intel DH77EB - Page 8

Intel Desktop Board DH77EB Technical Product Specification
viii
2.3 Jumper Block ................................................................................... 57
2.4 Mechanical Considerations ................................................................. 59
2.4.1 Form Factor .......................................................................... 59
2.5 Electrical Considerations .................................................................... 60
2.5.1 Power Supply Considerations .................................................. 60
2.5.2 Power Supervisor .................................................................. 60
2.5.3 Fan Header Current Capability ................................................ 61
2.5.4 Add-in Board Considerations ................................................... 61
2.6 Thermal Considerations ..................................................................... 61
2.7 Reliability ........................................................................................ 64
2.8 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 System 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
3.10 BIOS Security Features ..................................................................... 72
3.11 BIOS Performance Features ............................................................... 73
4 Error Messages and Beep Codes
4.1 Speaker .......................................................................................... 75
4.2 BIOS Beep Codes ............................................................................. 75
4.3 Front-panel Power LED Blink Codes ..................................................... 76
4.4 BIOS Error Messages ........................................................................ 76
4.5 Port 80h Power On Self Test (POST) Codes .......................................... 77
5 Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance ...................................................................... 83
5.1.1 Safety Standards................................................................... 83
5.1.2 European Union Declaration of Conformity Statement ................ 84
5.1.3 Product Ecology Statements
................................................... 85
5.1.4 China RoHS .......................................................................... 88