IBM A20M, A21M, A22P, A22M, A21P, MT 2631 manual Error messages

		Symptom-to-FRU index
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	1.	DIMM.
data.	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.
Hibernation error.	1.	Restore the system
		configuration to what it
		was before the computer
		entered hibernation mode.
	2.	If memory size has been
		changed, re-create the
		hibernation file.
Fan error.	Fan.

52ThinkPad A20m/p, A21m/p, A22m/p