EXPS Disk Drive not Working

Symptoms/Issue

EXPS Disk Drive Not working.

Description/Explanation of Issue

.EXPS Disk Drive Not working, everything else works.

Fix/Solution

1. Try another Diskette.
2. Check Disk Data and Power Cables and seating.
3. Try an RFU to see if that works. If not it is the Disk/IO IC U25/U36, and check for loose pins.
4. If not that the disk drive needs to be replaced.

Related Links/References