Service manual

PN 4237242C
4.6-4
SERVICE AND REPAIR PROCEDURES
AT MOTHERBOARD
2. Verify the ability to write to the floppy disk drive by temporarily changing a
configuration item, such as a host or Printer option. This forces the system to write the
new configuration to disk. If no problem is observed, restore the system to its original
configuration.
3. Verify the operation of the Printer port by printing a configuration item such as the
calibration factors.
4. If the customer uses a host computer, have a sample sent to the host to verify Serial 1
port operation.
5. Perform an SVP (Heading 5.1).