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.
This voltage is 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, follow these steps:
1.
Power off the server and disconnect the power cables. See
“Powering On and Powering Off
the Server” (page 78)
.
2.
Remove the power supplies from the server. See
“Removing a Power Supply” (page 154)
.
3.
If rack mounted, slide the server completely out from the rack. See
“Extending the Server
from the Rack” (page 143)
.
4.
Remove the top cover. See
“Removing the Top Cover” (page 144)
.
5.
Turn the two knurled thumb screws shown in
Figure 6-35 (page 185)
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 6-35 Power Supply Riser Board
Replacing the Power Supply Riser Board
To replace the power supply riser board, follow these steps:
1.
Align the power supply riser board connector with the socket on the system board.
Removing and Replacing the Power Supply Riser Board
185