Symptom / error Service action in sequence
0200
Fixed disk failure
  1. Reseat the hard disk
  2. Load Setup Defaults in IBM BIOS Setup Utility
  3. Hard disk drive
  4. System board
0210, 0211
Stuck key Keyboard error		 Run the keyboard test in the interactive tests and auxiliary input device
0212
Keyboard controller failure		 Run the keyboard test in the interactive tests and auxiliary input device
0213
Keyboard is locked-Unlock key switch		 Unlock external keyboard
0220
Monitor type does not match CMOS-run setup		 Load Setup Defaults in IBM BIOS Setup Utility
0230
Shadow RAM failure at offset nnnn		 System board
0231
System RAM failure at offset nnnn
  1. DIMM
  2. System board
0250
System battery is dead - Replace and run setup		 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date
0251
System CMOS checksum bad - Default configuration used		 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date
0260
System timer error
  1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date
  2. System board
0270
Real time clock error
  1. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date
  2. System board
0280
Boot incomplete error - Default configuration used
  1. Load Setup Defaults in IBM BIOS Setup Utility
    　
  2. DIMM
  3. System board
0281
Memory size recognized by POST is different from that recognized by CMOS
  1. Load Setup Defaults in IBM BIOS Setup Utility
  2. DIMM
  3. System board
02B0
Diskette drive error
  1. Check that the drive is defined with the proper diskette type in IBM BIOS Setup Utility
  2. Run the diskette diagnostics test
02D0
System cache error - Cache is disabled		 System board
02F0
CPU ID		 System board
02F5
DIMM test failure
  1. DIMM
  2. System board
02F6
Software NMI failure
  1. DIMM
  2. System board
02F7
Fail - Safe timer NMI failure
  1. DIMM
  2. System board

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