IBM A22e manual Solving computer problems

Solving computer problems

Message	Cause and action
0230: Shadow RAM error	The shadow RAM failed. Test your computer’s memory with PC-Doctor. If
	you added a memory module just before turning the computer on, reinstall
	it. Then test the memory with PC-Doctor.
0231: System RAM error	The system RAM failed. Test your computer’s memory with PC-Doctor. If
	you added a memory module just before turning the computer on, reinstall
	it. Then test the memory with PC-Doctor.
0232: Extended RAM	The extended RAM failed. Test your computer’s memory with PC-Doctor. If
error	you increased memory just before turning the computer on, reinstall it. Then
	test the memory with PC-Doctor.
0250: System battery	The backup battery, which is used to preserve the configuration information,
error	such as the date and time, while the computer is turned off, is depleted.
	Replace the battery and run the IBM BIOS Setup Utility to verify the
	configuration. If you still have a problem, have the computer serviced.
0251: System CMOS	The system CMOS may have been corrupted by an application program.
checksum bad	The computer uses the default settings. Run the BIOS Setup Utility to
	reconfigure the settings. If you still see the same error code, have the
	computer serviced.
0260: System timer error	Have the computer serviced.
0270: Real time clock	Have the computer serviced.
error
0271: Date and time error	Neither the date nor the time is set in the computer. Set the date and time,
	using the IBM BIOS Setup Utility.
02D0: System cache error	The cache is disabled. Have the computer serviced.
02F4: EISA CMOS not	Have the computer serviced.
writable
02F5: DMA test failed	Have the computer serviced.
02F6: Software NMI	Have the computer serviced.
failed
02F7: Fail-safe timer NMI	Have the computer serviced.
failed
1801: Attached docking	The computer is attached to a docking station that it does not support. Turn
station is not supported	off the computer and detach it from the docking station.
– shut down computer
and remove from
docking station
The power-on password	A power-on password or a supervisor password is set. Type the password
prompt appears.	and press Enter to use the computer. If the power-on password is not
	accepted, a supervisor password may have been set. Type the supervisor
	password and press Enter. If you still see the same error message, have the
	computer serviced.

12ThinkPad® A22e Service and Troubleshooting Guide