8042 self-test failed. If disconnected, turn off the
computer and connect the
keyboard.
2. Replace the keyboard.
3. Replace the system board.
---------------------------------------------------------------------------
302 - xx Keyboard long test 1. Check the keyboard connection.
failed. If disconnected, turn off the
computer and connect the
keyboard.
2. Replace the keyboard.
3. Replace the system board.
---------------------------------------------------------------------------
303 - xx Keyboard LED test, 1. Replace the power interface
8042 self-test failed. board.
2. Replace the system board.
3. If external keyboard is being
used, replace external
keyboard.
---------------------------------------------------------------------------
304 - xx Keyboard typematic 1. Check the keyboard connection.
test failed. If disconnected, turn off the
computer and connect the
keyboard.
2. Replace the keyboard.
3. Replace the system board.
===========================================================================
Table 2-5. Parallel Printer Computer Checkup Error Codes
===========================================================================
Error Code Description Recommended Action
===========================================================================
401 - xx Printer failed or not The following steps apply to
connected. 401 - xx through 498 - xx error
codes:
402 - xx Printer data register
failed. 1. Connect the printer.
2. Check power to the printer.
403 - xx Printer pattern test 3. Install the loopback connector.
failed. 4. Replace the system board.
498 - xx Printer failed or not
connected.
===========================================================================
Table 2-6. Diskette Drive Computer Checkup Error Codes
===========================================================================
Error Code Description Recommended Action
===========================================================================
600 - xx Diskette ID drive The following steps apply to
types test failed. 600 - xx through 698 - xx error
codes:
601 - xx Diskette format
failed. 1. Replace the diskette.
2. Check and/or replace the
602 - xx Diskette read test diskette cable.
failed. 3. Replace the diskette drive.
4. Replace the system board.
603 - xx Diskette write, read,
compare test failed.