61Table 2-1 BIOS Error Codes, Messages, and Beeps ListBIOS Error Codes,Messages, BeepsAction/FRUNOTE: To diagnose a problem, first find the BIOS errormessages, codes, or beeps in left column. If directed to acheck procedure, replace the FRU indicated in the checkprocedure. If no check procedure is indicated, the firstAction/FRU listed in right column is the most likely cause.POST Error Codes and Messages161CMOS battery failedLoad default settings in Setup andreboot the system.CMOS battery.System board.162CMOS checksumerrorMake sure the equipment (diskettedrive, hard disk drive, keyboard,mouse, etc.) are connected properlyand are set correctly in BIOS Setup.Load default settings in setup.CMOS battery should be replaced.System board.164Memory size errorMake sure the DIMMs are insertedproperly.System board.201Memory test failure.Insert the memory modules in theDIMM sockets properly, then rebootthe system.Memory module. See the “Step 005”of ”Memory” on page 84 to replacememory module.System board.301Keyboard error or nokeyboard present.Make sure the keyboard is connectedproperly and are set correctly in BIOSSetup.System board.662FLOPPY DISK(S)failure (80)Unable to reset floppy subsystem.662FLOPPY DISK(S)failure (40)Floppy type mismatch.
