Tigercat System Board Manual
Appendix B: POST Messages
63
Appendix
B
POST Messages
The following table lists the Power On Self Test (POST)
messages, possible causes and solutions.
Message
Possible Cause
Solution
DISKETTE DRIVE A
FAILURE
Drive A failed or is
missing.
Check Setup and cable
connections.
DISKETTE DRIVE B
FAILURE
Drive B failed or is
missing.
Check Setup and cable
connections.
EXTENDED RAM
FAILED AT
OFFSET: nnnn
Extended memory not
working or configured
properly.
Replace defective
memory.
FAILING BITS: nnnn
Memory failure in
System, Extended, or
Shadow memory.
Replace defective
memory.
FIXED DISK X
FAILURE (where X
=0 or 1)
The hard disk is not
configured or working
properly.
Rerun SETUP and check
connections, or replace
hard disk.
FIXED DISK
CONTROLLER
FAILURE
The controller card has
failed.
Check configuration and
connections, or replace
controller card.
INCORRECT DRIVE
A TYPE
Floppy drive A: not set
correctly in Setup.
Run Setup.
INCORRECT DRIVE
B TYPE
Floppy drive A: not set
correctly in Setup.
Run Setup.
INVALID NVRAM
MEDIA TYPE
NVRAM chip is bad.
Requires repair of system
board.
KEYBOARD
ERROR, or
KEYBOARD
CONTROLLER
ERROR
The keyboard or
keyboard controller
failed.
Check connections. You
may have to replace the
keyboard or controller.
KEYBOARD
ERROR nn
A key is jammed or was
held down during boot.
Make sure the keys are
not jammed or dirty.
KEYBOARD
Keyswitch on the front of
Unlock the keyswitch.
