Dell PowerEdge R630 Owner's Manual page 175

Steps
1. Disconnect the mini SAS cable from the system board:
a. Push the mini SAS cable connector to slide it further into the connector on the system board.
b. Press down and hold the metal tab on the mini SAS cable connector.
c. Pull the mini SAS cable out of the connector on the system board.
2. Disconnect all other cables from the system board.
CAUTION: Do not to damage the system identification button while removing the system
board from the chassis.
3. Grasp the system board holder, lift the blue release pin, slide the system board toward the front of
the system, and lift the system board out of the chassis.
CAUTION: Do not lift the system board by holding a memory module, processor, or other
components.
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