System Board - Compaq Deskpro EN Series Maintenance & Service Manual

5.12

System Board

1. Prepare the computer for disassembly (Section 5.4).
2. Remove the system unit cover (Section 5.7).
3. Remove the expansion board cage 1 (Section 5.9).
4. Press the side of the chassis at the arrow to release latch, then tilt the Easy Access Drive Cage
2 to an upright position.
CAUTION: Check the position of all cables and wires before raising or lowering the drive cage to
prevent cable damage.
5. Disconnect all cables from the system board.
The power cord must be removed from the computer before the power supply can
be rotated to an upright position.
6. Tilt the power supply 3, to an upright position.
7. Slide the system board 4 with the tray out of the chassis.
Removing the System Board
To install a new system board, reverse the removal procedures.
5-20 Removal & Replacement Procedures