IBM ThinkPad R40e Troubleshooting Manual page 26

Solving computer problems
Message
01C8: More than one
modem devices are
found. Remove one of
them. Press <Esc> to
continue.
01C9: More than one
Ethernet devices are
found. Remove one of
them. Press <Esc> to
continue.
0200: Hard disk error
021x: Keyboard error
0230: Shadow RAM error The shadow RAM failed. Test your computer's memory with PC-Doctor. If
0231: System RAM error
0232: Extended RAM
error
0250: System battery
error
14
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ThinkPad R40 Series Service and Troubleshooting Guide
Solution
Remove either a Modem Mini-PCI Card or a Modem Daughter Card,
otherwise press Esc to ignore the warning message. If it does not solve this
problem, have the computer serviced.
Your ThinkPad computer has a built-in Ethernet feature, and you cannot
add another such feature by installing an Ethernet device such as a
Mini-PCI Ethernet Card or an Ethernet Daughter Card. If this error message
is displayed, remove the Ethernet device that you installed. Otherwise press
Esc to ignore the warning message. If this does not solve the problem, have
the computer serviced.
The hard disk is not working. Make sure that the hard disk drive is attached
firmly. Run the IBM BIOS Setup Utility; then make sure the hard disk drive
is not disabled in the Startup menu.
Make sure that there are no objects placed on the keyboard, or if you have
one, the external keyboard. Turn off the computer, and turn off all attached
devices. Turn on the computer first; then turn on the attached devices.
If you still see the same error code, do the following:
If an external keyboard is connected, do the following:
v Turn off the computer and disconnect the external keyboard; then turn on
the computer. Make sure that the built-in keyboard operates correctly. If it
does, have the external keyboard serviced.
v Make sure that the external keyboard is connected to the correct
connector.
Test the computer by using PC-Doctor.
v If the computer stops during the test, have the computer serviced.
you added a memory module just before turning the computer on, reinstall
it. Then test the memory with PC-Doctor.
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.
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.
The backup battery, which is used to preserve the configuration information,
such as the date and time, while the computer is turned off, is depleted.
Replace the battery and run IBM BIOS Setup Utility to verify the
configuration. If you still have a problem, have the computer serviced.