Apple Xserve Intel (Late 2006) DIY Procedure for Rear ID Tab - Manual (Page 9)

Xserve (Late 2006) Rear ID Tab Replacement Instructions
Important: Each heat sink is connected to the logic board by a small 2-pin thermal sensor
cable. Be careful not to pull on the wire as you lift each heat sink enough to disconnect the
cable from the logic board. It’s easier to reach the sensor connectors on the logic board if
you start with the right heat sink near the DIMM slots (CPU A).
Slowly lift the heat sink off the processor just far enough that you can reach the sensor cable
connector. You might feel some resistance from the thermal grease that binds the heat sink
to the processor.
Pull on the connector, not the wires, to disconnect the sensor cable from the logic board.
Lift the heat sink straight up and out of the enclosure.
Repeat steps 1 through 4 for the left processor (CPU B) heat sink.
Note: You will need to clean off the old thermal grease from the bottom of each heat sink
and the top of each processor and apply new thermal grease to the processors when you are
reassembling the Xserve. For more information, see “Replacing the Processor Heat Sinks.””
Logic Board
Caution: Be careful not to flex the logic board or handle it by its components or heat sinks, which
could damage the board or its components. To minimize flexing, always grasp the logic board
only by its thumbscrews or edges when removing or installing it.
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