4-68 Upgrading Your System
6. With one person grasping each side of the DEU slide it out the front of the
tower cabinet.
!
WARNING
A minimum of two persons is required when performing this
step.
7. Place the DEU on a flat clean surface.
8. Remove the fan assemblies (see Figure 4-74, A) from the DEU chassis.
Squeeze the fan assembly latches (Figure 4-74, B) towards each other while
lifting the assembly up and away from the DEU. Remove both fan
assemblies and set them aside.
9. Remove the two screws securing the top cover to the rear of the DEU
chassis. See Figure 4-74.
10.
Slide the top cover towards the rear of the DEU chassis until its tab fasteners
unlock (see Figure 4-74. Lift the top cover up and away from the chassis.
A
B
Figure 4-74. Removing the DEU top Cover
11.
Remove the socket cover (if present) from the 2-Channel SCSI Board
connector, P2 (see Figure 4-75, A).
12.
Remove the screw (see Figure 4-75, B) securing the top left corner of the
power supply cage (as viewed from the front of the DEU). Keep this screw
for later use.