System Board; Removing The System Board - HP Z400 - Workstation Maintenance And Service Manual

System board

This section describes replacing the system board.

Removing the system board

To remove the system board:
1. Power down the workstation (see
2. Disconnect power from the workstation (see
3. Remove the side access panel (see
4. If your system has an airflow guide, remove it (see
5. Remove expansion boards and graphics cards (see
6. (Optional) Remove the CPU heatsink (see
7. Disconnect all cabling from the system board.
TIP:
For more information, refer to
8. Gently squeeze the release mechanism
Figure 5-73
9. Lift the system board slightly to clear the release mechanism and then pull the board away from
the rear of the chassis and then lift the system board upward
TIP:
of the chassis.
132 Chapter 5 Replacing components
Make a note of the cable connections before disconnecting them from the system board.
Removing the system board
If you leave the heatsink installed, you can grasp it and use it to guide the system board out
Predisassembly procedures on page
Predisassembly procedures on page
Removing the side access panel on page
Removing the airflow guide on page
Removing an expansion card on page
Removing the CPU heatsink on page
Power connectionson page
as shown in the following figure.
69).
72).
127).
90.
out of the chassis.
2
69).
92).
104).
ENWW