HP rp5800 Maintenance And Service Manual page 105

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Heat sink (Heat sink on page
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Processor (Processor on page
4. Remove the riser card cage
5. Remove the fan duct
6. Remove the chassis fan
7. Rotate the drive cage to its full upright position.
8. Rotate the power supply to its upright position.
9. Disconnect all data, power, and any other cables from the system board.
10. Remove the eight screws (1) that secure the system board to the floor of the chassis.
11. Slide the system board tray assembly toward the front of the chassis (2) to disengage the rear
ports, and then lift the system board up and out of the chassis (3).
Figure 7-59 Removing the System Board
To install the system board, reverse the removal procedure.
CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom
of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply
thermal grease to the top of the processor from the syringe supplied in the spares kit.
CAUTION: When reconnecting the cables it is important that they be positioned so they do not
interfere with the rotation of the drive cage or power supply.
91)
92)
Replacing the Riser Card on page
(Fan Duct on page 84).
(Front Fan on page
67.
86).
System Board 95