Intel Desktop Board DG41AN Technical Product Specification

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2.5.1 Power Supply Considerations ................................................. 53
2.5.2 Fan Header Current Capability................................................ 54
2.5.3 Add-in Board Considerations .................................................. 54
2.6 Thermal Considerations.................................................................... 54
2.7 Reliability ....................................................................................... 56
2.8 Environmental ................................................................................ 57
3 Overview of BIOS Features
3.1 Introduction ................................................................................... 59
3.2 BIOS Flash Memory Organization....................................................... 60
3.3 Resource Configuration .................................................................... 60
3.3.1 PCI Autoconfiguration ........................................................... 60
3.4 System Management BIOS (SMBIOS)................................................. 61
3.5 Legacy USB Support ........................................................................ 61
3.6 BIOS Updates ................................................................................. 62
3.6.1 Language Support ................................................................ 62
3.6.2 Custom Splash Screen .......................................................... 63
3.7 BIOS Recovery................................................................................ 63
3.8 Boot Options................................................................................... 64
3.8.1 Optical Drive Boot ................................................................ 64
3.8.2 Network Boot....................................................................... 64
3.8.3 Booting Without Attached Devices........................................... 64
3.8.4 Changing the Default Boot Device During POST ........................ 64
3.9 Adjusting Boot Speed....................................................................... 65
3.9.1 Peripheral Selection and Configuration..................................... 65
3.9.2 BIOS Boot Optimizations ....................................................... 65
3.10 BIOS Security Features .................................................................... 66
4 Error Messages and Beep Codes
4.1 Speaker ......................................................................................... 67
4.2 BIOS Beep Codes ............................................................................ 67
4.3 Front-panel Power LED Blink Codes.................................................... 68
4.4 BIOS Error Messages ....................................................................... 68
4.5 Port 80h POST Codes ....................................................................... 69
5 Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance..................................................................... 75
5.1.1 Safety Standards.................................................................. 75
5.1.2 European Union Declaration of Conformity Statement................ 76
5.1.3 Product Ecology Statements................................................... 77
5.1.4 EMC Regulations .................................................................. 79
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance ................. 82
5.1.6 Regulatory Compliance Marks (Board Level) ............................. 83
5.2 Battery Disposal Information............................................................. 84