44 IBM Desktop System HMM02B2Incorrect Drive A Type-RunSETUP1. Re-connect floppy diskdrive2. Enter Configuration/Setup Utility and loadthe default settings.3. Floppy disk drive4. System board02B3Incorrect Drive B Type-RunSETUP1. Re-connect floppy diskdrive2. Enter Configuration/Setup Utility and loadthe default settings.3. Floppy disk drive4. System board02D0System Cache Error-CacheDisabled1. Replace processor02F0CPU ID:1. Check CPU02F4EISA CMOS Not Writable1. Check EISA CMOS02F5DMA Test Failed1. Check DMA (DirectMemory Access)registers.02F6Software NMI Failed1. Check Software02F7Fail-Safe Timer NMI Failed1. Check the Fail-SafetimerDevice Address Conflict 1. Enter Configuration/Setup Utility and resetthe device addressAllocation Error for: device 1. Run ISA or EISAConfiguration Utility toresolve resourceconflict for the specifieddevice.Table 2-1 POST Error Codes and Messages ListNOTE: To diagnose a problem, first find the BIOS errormessages or codes in left column. If directed to acheck procedure, replace the FRU indicated in thecheck procedure. If no check procedure is indicated,the first Action/FRU listed in right column is the mostlikely cause.BIOS Error Codes,Messages Action/FRU
