16 System Board..........................................................................................41Removing The System Board..........................................................................................41Installing The System Board...........................................................................................4317 Specifications.........................................................................................45Specifications..................................................................................................................4518 Troubleshooting......................................................................................51Diagnostic Power LED Codes..........................................................................................51Diagnostic Beep Codes...................................................................................................52Diagnostic Error Messages.............................................................................................53System Error Messages..................................................................................................5819 System Setup..........................................................................................61System Setup Overview..................................................................................................61Enter System Setup.........................................................................................................61System Setup Screens....................................................................................................61System Setup Option.......................................................................................................6320 Contacting Dell.......................................................................................67Contacting Dell................................................................................................................67