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5
Display Codes
There are a number of Power On Self Test (POST) tests that are performed after the Beep Code
tests. Failure of one or more of these tests will result in a displayed failure code (such as
03044). It is extremely important not to interpret a failure code immediately as a hardware
failure. The failure should be confirmed with a clean boot. A clean boot is defined as pressing
the reset button after removing all accessories (including additional memory, floppy drive,
modems, PC cards, and printers) and providing a reliable power source. Note, make sure the
display is adjusted to be visible.
The following tables lists common PC error messages. Not all of these messages will appear on
every model of the OmniBook 800.
Table 3 - POST Display Codes
Message Possible Cause
CLOCK NOT TICKING CORRECTLY The real time clock is not ticking.
COLOR/MONO SWITCH INCORRECT The COLOR/MONO switch on the system
board is incorrect for the installed
hardware.
CMOS CHECKSUM INVALID - RUN SCU CMOS RAM information has been
corrupted and needs to be reinitialized via
the System Configuration Utility.
CMOS FAILURE - RUN SCU CMOS RAM has lost power and needs to
be reinitialized via the System
Configuration Utility.
FLOPPY CONTROLLER FAILED The floppy controller failed to respond to
the reset command. Power down the
system and check all appropriate
connections. It the floppy controller
continues to fail, you may need to replace
it.
FLOPPY DISK TRACK 0 FAILED The floppy drive cannot read track 0 of
the floppy disk in the drive. Try another
diskette. If the problem persists, you may
need to replace the floppy drive.
FLOPPY INFORMATION INVALID - RUN SCU The drive parameters stored in CMOS do
not match the floppy drives detected in
the system.
HARD DISK CONTROLLER ERROR The hard disk controller failed to respond
to the reset command. Possible
solutions: 1) Check the drive parameters.
2) Power down the system and check all
appropriate connections. If the problem
persists, you may need to replace the
hard disk controller.
HARDWARE INFO DOES NOT MATCH VIDEO
CARD - RUN SCU
The video adapter type specified in
CMOS RAM does not match the installed
hardware.
KEYBOARD CONTROLLER FAILURE The keyboard failed the self-test
command. Check to see if the keyboard
controller is properly installed. If the
problem continues, replace the controller.