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Make sure the diskette is not write protected. If you attempt
to use a diskette that has updated another system, a message
warns that you may not be able to restore the system's
original BIOS.
If you are updating more than one system, use the MS-DOS
DISKCOPY command to make a copy of the original
diskette for each system before using the diskette.
Once the BIOS updating starts, it is very important to let
the operation complete. This may take several minutes.
Disturbing the system in any way during the procedure may
severely damage your system. A warning message appears
during the update process.
During the update, the system indicates the progress with an
occasional single tone. If the procedure ends successfully,
the system sounds an OK tone and stops. An OK tone con-
sists of three long tones followed by a long-short-long tone
sequence.
If an error occurs, the system sounds a warning or error
tone. You must turn the system off to stop the tone. The
warning tone is an alternating high-low tone. This indicates
that the new BIOS could not be installed for some reason.
When this happens, the utility attempts to restore the sys-
tem's original BIOS. Your system should operate. Because
the attempted update failed, a problem exists and service
may be needed.
The error tone is three short tones, three long tones, then
three short tones again. This tone indicates that the new
BIOS could not be installed and that the old BIOS could not
be restored. Your system requires service.
The following sections contain the information you need to
load and use the utility.
Using the BIOS Update Utility C-3
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