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Installing System Components 111
CAUTION: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the
system by yourself.
1
Turn off power to the system and disconnect the power cable from the power source.
2
Detach all cables from the rear of the system.
3
If the system is a tower system, place it on its side on top of a work surface.
4 Open the system. See
"Opening the System" on page 53
.
5 Perform all of the additional steps to remove the system board in
"Removing the System Board" on
page 107
.
6
Disconnect all cables connecting the system board to the SAS backplane board, the control panel, and
any tape or hard drives in the peripheral or flex bays.
7
Disconnect the cables connecting the system board and SAS backplane board to the power
distribution board.
8 Unlock the power supplies from the system and slide them back 5 cm (2 inches). See
"Removing a
Power Supply" on page 62
9 Using a #2 Phillips screwdriver, remove the five screws from the power distribution board. See
Figure 3-34
.
10 Remove the power distribution board from the system chassis. See
Figure 3-34
.