
Intel Desktop Board DH57DD Product Guide 
vi 
2Installing and Replacing Desktop Board Components 
Before You Begin ...............................................................................................27 
Installation Precautions.......................................................................................28 
Prevent Power Supply Overload ....................................................................28 
Observe Safety and Regulatory Requirements.................................................28 
Installing the I/O Shield ......................................................................................29 
Installing and Removing the Desktop Board ...........................................................30 
Installing and Removing a Processor.....................................................................31 
Installing a Processor ..................................................................................31 
Installing a Processor Fan Heat Sink..............................................................36 
Connecting the Processor Fan Heat Sink Cable................................................36 
Removing the Processor ..............................................................................36 
Installing and Removing System Memory ..............................................................37 
Guidelines for Dual Channel Memory Configuration..........................................37 
Two or Four DIMMs .............................................................................37 
Three DIMMs ......................................................................................38 
Installing DIMMs ........................................................................................39 
Removing DIMMs........................................................................................41 
Installing and Removing PCI Express x16 Graphics Cards.........................................41 
Installing a PCI Express x16 Graphics Card ....................................................41 
Removing a PCI Express x16 Graphics Card....................................................43 
Connecting SATA Cables .....................................................................................44 
Connecting to the Internal Headers ......................................................................45 
Front Panel Audio Header ............................................................................46 
IEEE 1394a Headers ...................................................................................46 
S/PDIF Header ...........................................................................................47 
Serial Header.............................................................................................47 
Consumer IR (CIR) Headers .........................................................................47 
Intel®RPAT Header.....................................................................................48 
Chassis Intrusion Header .............................................................................48 
Alternate Front Panel Power LED Header ........................................................49 
Front Panel Header .....................................................................................49 
Front Panel USB 2.0 Headers........................................................................50 
HD Audio Link Header .................................................................................50 
Connecting to the Audio System...........................................................................51 
Connecting Chassis Fan and Power Supply Cables...................................................52 
Connecting a Chassis Fan ............................................................................52 
Connecting Power Supply Cables ..................................................................53 
Setting the BIOS Configuration Jumper .................................................................54 
Clearing Passwords ............................................................................................55 
Replacing the Battery .........................................................................................56 
3Updating the BIOS 
Updating the BIOS with the Intel®Express BIOS Update Utility.................................63 
Updating the BIOS with the ISO Image BIOS Update File or the Intel®Flash 
Memory Update Utility...................................................................................64 
Obtaining the BIOS Update File ....................................................................64 
Updating the BIOS with the ISO Image BIOS Update File .................................64 
Updating the BIOS with the Intel Flash Memory Update Utility...........................65 
Recovering the BIOS...................................................................................66