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

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IBM A22e manual Solving computer problems