Compaq Deskpro EN Series of Personal Computers 5-29
5.14 System Board and its Components
5.14.1 System Board Removal
1. Prepare the computer for disassembly (Section 5.4).
CAUTION:
When the computer is plugged into an AC power source, there is always voltage applied to the
system board. You must disconnect the power cord from the power source before opening the computer
to prevent system board or component damage.
2. Remove the system unit cover (Section 5.6).
3. Disconnect and raise the expansion board cage (Section 5.12.1).
4. Grasp the system board tray and pull it straight out of the rear of the chassis.
CAUTION:
When removing and replacing the system board, do not allow the baffle mounted on top of the
processor (on select models) to drag against the expansion boards.
Removing the System Board
To replace the system board, reverse the removal procedure.