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Power-On Self-Test - Mitsubishi Electric MS Series Owner's Handbook Manual

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Power on self test
Recoverable POST errors
Whenever a recoverable (non-terminal) error occurs
during POST, the BIOS displays an error message
describing the problem (the most usual are described
below). After some messages, you may be prompted
to Press <F1> to resume, <F2> to enter Setup or just
Press <F2> to enter Setup.
In general, you should respond to these errors as
Shut down the computer, wait 20 to 30 seconds,
and then turn it on again to see if the problem is
still reported.
Check that all external cables are securely
Try running the BIOS Setup utility to
reconfigure the system. If the computer won't
start after you make changes in BIOS Setup, try
restoring the original values.
Open up the system unit and check that all
internal signal and power cables are securely
If the problem persists, contact your supplier or
authorised maintainer.
Diskette drive A error
Drive A: is present but fails the POST diskette
tests. Check that the drive is defined correctly in
BIOS Setup. If necessary, open the system unit
and check that the drive's signal (ribbon) cable is
System/Extended/Shadow RAM failed at offset: xxxx
Failing bits: yyyy
System, extended or shadow memory is not
working, or not configured properly, at offset
xxxx. The hexadecimal number yyyy is a map of
the bits at the address which failed the memory
test. Each "1" in the map represents a failed bit.
B I O S S e t u p & P O S T
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