User Guide

Solution: The extended RAM failed. Test your computer’s memory with
PC-Doctor. If you have increased memory just before turning the computer
on, reinstall it. Then test the memory with PC-Doctor.
Message: 0250: System battery error
Solution: The backup battery, which is used to preserve the configuration
information, such as the date and time, while the computer is tuned off, is
depleted. Replace the battery and run BIOS Setup Utility to verify the
configuration. If you still have a problem, have the computer serviced.
Message: 0251: System CMOS checksum bad
Solution: The system CMOS might have been corrupted by an application
program. The computer uses the default settings. Run BIOS Setup Utility to
reconfigure the settings. If you still see the same error code, have the
computer serviced.
Message: 0260: System timer error
Solution: Have the computer serviced.
Message: 0280: Previous boot incomplete
Solution: Your computer was previously unable to complete the boot process.
Turn the computer off; then turn it on to start the BIOS Setup Utility. Verify
the configuration and then restart the computer either by choosing the Exit
Saving Changes option under the Restart item or by pressing F10.
If you still see the same error code, have the computer serviced.
Message: 02D0: System cache error
Solution: The cache is disabled. Have the computer serviced.
Message: 02F4: EISA CMOS not writable
Solution: Have the computer serviced.
Message: 02F5: DMA test failed
Solution: Have the computer serviced.
Message: 02F6: Software NMI failed
Solving computer problems
Chapter 2. Solving computer problems 15