HP Integrity rx2660 Server User Service Guide

Removing and Replacing the Power Supply Riser Board
The power supply riser board attaches the power supplies to the system board.
WARNING! Ensure that the system is powered off and all power sources are disconnected from
the server prior to performing this procedure.
Voltages are present at various locations in the server whenever an AC power source is connected.
These voltages are present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION: Observe all ESD safety precautions before attempting this procedure. Failure to follow
ESD safety precautions can result in damage to the server.
Removing the Power Supply Riser Board
To remove the power supply riser board:
1. Power off the server and disconnect the power cables. See “Powering On and Powering Off
the Server” (page 77).
2. Remove the power supplies from the server. See “Removing a Power Supply” (page 150).
3. If rack mounted, slide the server completely out from the rack. See “Extending the Server from
the Rack” (page 141).
4. Remove the top cover. See “Removing the Top Cover” (page 142).
5. Turn the two knurled thumb screws shown in Figure 71 (page 180) counter-clockwise until the
screws are free from the system board.
6. Lift the power supply riser board straight up to disengage it from the slot on the system board
and out of the server.
Figure 71 Power Supply Riser Board
Replacing the Power Supply Riser Board
To replace the power supply riser board:
1. Align the power supply riser board connector with the socket on the system board.
2. Insert the power supply riser board into the slot and use firm, even pressure to seat the board.
180 Removing and Replacing Server Components