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- Troubleshooting Your LifeBook
nnnn Shadow RAM Passed
Where nnnn is the amount of shadow RAM in kilobytes successfully tested.
*System battery is dead – Replace and run SETUP
The BIOS CMOS RAM memory hold up battery is dead. This is part of your BIOS and is a board mounted
battery which requires a support representative to change. You can continue operating but you will have
to use setup utility default values or reconfigure your setup utility every time you turn off your notebook.
This battery has an expected life of 2 to 3 years.
System BIOS shadowed
System BIOS copied to shadow RAM.
*System CMOS checksum bad – run SETUP
BIOS CMOS RAM has been corrupted or modified incorrectly, perhaps by an application program that
changes data stored in BIOS memory. Run Setup and reconfigure the system.
*System RAM Failed at offset: nnnn
System memory failed at offset nnnn of in the 64k block at which the error was detected. This means that
there is a fault in your built-in memory. If you continue to operate, you risk corrupting your data. Contact
your support representative for repairs.
nnnn System RAM Passed
Where nnnn is the amount of system memory in kilobytes successfully tested.
*System timer error
The timer test failed. The main clock that operates the computer is faulty. Requires repair of system board.
Contact your support representative for repairs.
UMB upper limit segment address: nnnn
Displays the address of the upper limit of Upper Memory Blocks, indicating released segments of the
BIOS memory which may be reclaimed by a virtual memory manager.
Video BIOS shadowed
Video BIOS successfully copied to shadow RAM.