Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 60

Error messages

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Symptom-to-FRU index Symptom or error 02B2 Incorrect drive A type 02F4 EISA CMOS not writable 02F5 DMA test failed 02F6 Software NMI failed 02F7 Fail-safe timer NMI failed FRU or action, in sequence 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. 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. 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. Check that the operating system has no failure and is installed correctly. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. Reseat the hard-disk drive. 4. Reinstall the operating system. 5. Diskette drive. 6. Hard-disk drive. 7. System board. 56 MT 2652/2653/2654

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Symptom or error
FRU or action, in sequence
02B2
Incorrect drive A type
1.
Diskette drive
.
2.
External FDD cable.
3.
I/O card.
02F4
EISA CMOS not writable
1.
Load Setup Defaults in
IBM BIOS Setup Utility
.
2.
Replace the backup battery.
3.
System board.
02F5
DMA test failed
1.
DIMM
.
2.
System board.
02F6
Software NMI failed
1.
DIMM
.
2.
System board.
02F7
Fail-safe timer NMI failed
1.
DIMM
.
2.
System board.
Error messages
Symptom or error
FRU or action, in sequence
Device address conflict.
1.
Load “Setup Defaults” in
IBM BIOS Setup Utility
.
2.
Backup battery.
3.
System board.
Allocation error for device.
1.
Load “Setup Defaults” in
IBM BIOS Setup Utility
.
2.
Backup battery.
3.
System board.
Failing bits: nnnn.
1.
DIMM
.
2.
System board.
Invalid system configuration
data.
1.
DIMM
.
2.
System board.
I/O device IRQ conflict.
1.
Load “Setup Defaults” in
IBM BIOS Setup Utility
.
2.
Backup battery.
3.
System board.
Operating system not found.
1.
Check that the operating
system has no failure and is
installed correctly.
2.
Enter IBM BIOS Setup
Utility and see whether
the hard-disk drive and
the diskette drive are
properly identified
.
3.
Reseat the hard-disk drive.
4.
Reinstall the operating
system.
5.
Diskette drive.
6.
Hard-disk drive.
7.
System board.
Symptom-to-FRU index
56
MT 2652/2653/2654