System board
This section describes replacing the system board.
Removing the system board
To remove the system board:
1.
Power down the workstation (see
Predisassembly procedures on page 75
).
2.
Disconnect power from the workstation (see
Predisassembly procedures on page 75
).
3.
Remove the side access panel (see
Removing the side access panel on page 78
).
4.
If your system has an airflow guide, remove it (see
Removing the airflow guide on page 110
).
5.
Remove expansion boards and graphics cards (see
Removing an expansion card on page 124
).
6.
(Optional) Remove the CPU heatsink (see
Removing the CPU heatsink on page 154
).
7.
Disconnect all cabling from the system board.
TIP:
Make a note of the cable connections before disconnecting them from the system board.
For more information, refer to
Power connections on page 99
.
8.
Gently squeeze the release mechanism (1), as shown in the following figure.
Figure 5-84
Removing the system board
9.
Lift the system board slightly to clear the release mechanism, pull the board away from the rear of
the chassis, and then lift the system board upward (2) out of the chassis.
ENWW
Removing and installing components
159
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