Intel® Desktop Board DG41RQ Technical Product Specification

Intel Desktop Board DG41RQ Technical Product Specification2.3 Jumper Block .................................................................................. 542.4 Mechanical Considerations ................................................................ 552.4.1 Form Factor......................................................................... 552.5 Electrical Considerations................................................................... 562.5.1 Power Supply Considerations ................................................. 562.5.2 Fan Header Current Capability................................................ 572.5.3 Add-in Board Considerations .................................................. 572.6 Thermal Considerations .................................................................... 572.7 Reliability ....................................................................................... 592.8 Environmental ................................................................................ 603 Overview of BIOS Features3.1 Introduction ................................................................................... 613.2 BIOS Flash Memory Organization ....................................................... 623.3 Resource Configuration .................................................................... 623.3.1 PCI Autoconfiguration ........................................................... 623.3.2 PCI IDE Support................................................................... 633.4 System Management BIOS (SMBIOS)................................................. 633.5 Legacy USB Support ........................................................................ 643.6 BIOS Updates ................................................................................. 653.6.1 Language Support ................................................................ 653.6.2 Custom Splash Screen .......................................................... 663.7 BIOS Recovery................................................................................ 663.8 Boot Options................................................................................... 673.8.1 CD-ROM Boot ...................................................................... 673.8.2 Network Boot....................................................................... 673.8.3 Booting Without Attached Devices........................................... 673.8.4 Changing the Default Boot Device During POST ........................ 673.9 Adjusting Boot Speed....................................................................... 683.9.1 Peripheral Selection and Configuration..................................... 683.9.2 BIOS Boot Optimizations ....................................................... 683.10 BIOS Security Features .................................................................... 694 Error Messages and Beep Codes4.1 Speaker ......................................................................................... 714.2 BIOS Beep Codes ............................................................................ 714.3 BIOS Error Messages ....................................................................... 714.4 Port 80h POST Codes ....................................................................... 725 Regulatory Compliance and Battery Disposal Information5.1 Regulatory Compliance..................................................................... 775.1.1 Safety Standards.................................................................. 775.1.2 European Union Declaration of Conformity Statement ................ 785.1.3 Product Ecology Statements................................................... 795.1.4 EMC Regulations .................................................................. 835.1.5 Product Certification Markings (Board Level)............................. 845.2 Battery Disposal Information............................................................. 85vi