IBM ThinkPad R40e, Troubleshooting Manual

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Message Solution
0251: System CMOS
checksum bad The system CMOS might have been corrupted by an application program.
The computer uses the default settings. Run IBM 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
error Have the computer serviced.
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.
0280: Previous boot
incomplete Your computer was previously unable to complete the boot process.
Turn the computer off; then turn it on to start the IBM 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.
02D0: System cache error The cache is disabled. Have the computer serviced.
02F4: EISA CMOS not
writable Have the computer serviced.
02F5: DMA test failed Have the computer serviced.
02F6: Software NMI
failed Have the computer serviced.
02F7: Fail-safe timer NMI
failed Have the computer serviced.
1802: Unauthorized
network card is plugged
in - Power off and
remove the miniPCI
network card. The Mini-PCI network card is not supported on this computer. Remove it.
The power-on password
prompt A power-on password or a supervisor password is set. Type the password
and press Enter to use the computer. If the power-on password is not
accepted, a supervisor password might have been set. Type the supervisor
password and press Enter. If you still see the same error message, have the
computer serviced.
The hard disk password
prompt A hard disk password is set. Type the password and press Enter to use the
computer.
If you still see the same error message, have the computer serviced.
Solving computer problems
Chapter 2. Solving computer problems
15