54 Chapter 4
System Check Procedures

External Diskette Drive Check

Do the following to isolate the problem to a controller, drive r , or disket te. A wri te-ena bled, di agnosti c diske tte is
required.
NOTE: Make sure that the diskette does not have more than one label attached to it. Mul tipl e label s can cause
damage to the drive or cause the drive to fail.
Do the following to select the test device. See “Running PQA Diagnostics Program” on page 37 for det ails.
1. Boot from the diagnostics diskette and start the PQA program (see “Running PQA Diagnostics Program”
on page 37).
2. Go to the diagnostic Diskette Drive in the test items.
3. Press F2 in the test items.
4. Follow the instructions in the message window.
If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board.
If the error still remain s:
1. Reconnect the external diskette drive/CD-ROM module.
2. Replace the external diskette drive/CD-ROM module.
3. Replace the system board.

External CD-ROM Drive Check

Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure tha t th e CD-ROM does
not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail.
Do the following to select the test device:
1. Boot from the diagnostics diskette and start the PQA program (refer to “Running PQA Diagnost ics
Program” on page 37.
2. Go to the diagnostic CD-ROM in the test items.
3. Press F2 in the test items.
4. Follow the instructions in the message window.
If an error occurs, reconnect the connector on the System board. If the error still remains:
1. Reconnect the external diskette drive/CD-ROM module.
2. Replace the external diskette drive/CD-ROM module.
3. Replace the system board.

Keyboard or Auxiliary Input Device Check

Remove the external keyboard if the internal keyboard is to be tested.
If the internal keyboard does not work or an unexpected character appears, make sur e that the flexible cable
extending from the keyboard is correctly seated in the connector on the system board.
If the keyboard cable connection is correct, run the Keyboard Test. See “Running PQA Diagnostics Program”
on page 37 for details.
If the tests detect a keyboard problem, do the following one at a time to correct the probl em. Do not replace a
non-defective FRU:
1. Reconnect the keyboard cables.
2. Replace the keyboard.
3. Replace the system board.
340SG.book Page 54 T hursday, October 28, 1999 10:51 AM