IBM A21e - ThinkPad 2628 - Celeron 600 MHz Hardware Maintenance Manual page 47

Symptom or error
0280
Previous boot incomplete —
Default configuration used.
02B2
Incorrect drive A type.
02F4
EISA CMOS not writable.
02F5
DIMM test failure.
02F6
Software NMI failure.
02F7
Fail-safe timer NMI failure.
1801
Attached docking station is not
supported.
Symptom-to-FRU index
FRU or action, in sequence
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. DIMM.
3. System board.
1. Diskette drive.
2. External FDD cable.
3. I/O card.
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Replace the backup battery.
3. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
Shut down the computer and
remove it from the docking
station
ThinkPad A21e
43