Error Messages - IBM ThinkPad X20 Hardware Maintenance Manual

02F4
EISA CMOS not writable.
02F5
DIMM test failure
02F6
Software NMI failure
02F7
Fail-safe timer NMI failure

Error messages

Symptom or error
Device address conflict
Allocation error for device
Failing bits: nnnn
Invalid system configuration
data
I/O device IRQ conflict
Operating system not found
50
ThinkPad X20, X21, X22, X23, X24
1. Load Setup Defaults in
IBM BIOS Setup
Utility.Replace the backup
battery.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
FRU or action, in sequence
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
1. Enter IBM BIOS Setup
Utility and see whether
the hard disk drive and
the diskette drive are
properly identified.
2. Diskette drive.
3. Hard disk drive.
4. System board.