7-50 Chapter 7, Removal and Replacement Procedures
Addendum 108431-001 (11-88) to
Manual No. 108033-003
7.19 300-/600-MEGABYTE FIXED
DISK DRIVE EXPANSION UNIT
Before beginning the following removal
and replacement procedures, complete the
following steps.
1. Turn OFF the computer.
2. Turn OFF the expansion unit.
3. Disconnect all power to the computer and
expansion unit.
4. Disconnect the signal cable from the ex-
pansion unit to the computer.
5. Place the expansion unit on a flat surface
with the front facing you.
6. Remove the three cover retaining screws
from the rear of the expansion unit
(Figure 7-49).
Figure 7-49. Expansion Unit Cover Retaining Screws.
7. Slide the cover forward until it stops. Then
lift it up and away from the expansion unit.