IBM System x3950 Type 8878 Service Manual page 72

10. Lift the air baffle out of the microprocessor tray.
11. Open the heat sink-release lever and remove the heat sink.
12. Open the microprocessor-release lever and remove the microprocessor from
13. If you are instructed to return the microprocessor tray and microprocessor,
To install the replacement microprocessor tray and microprocessor, complete the
following steps:
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IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
6. Lift the microprocessor-tray release latch.
7. Open the microprocessor-tray levers.
Attention: The microprocessor tray is heavy. Pull the tray partially out of the
server, and then reposition your hands to grasp the body of the tray, before
pulling out the tray the rest of the way.
8. Remove the microprocessor tray.
9. Press in on the release latches on each side of the tray; then, pull the tray out
the rest of the way.
Note: The thermal adhesive material securing the heat sink to the
microprocessor might have formed a strong bond. Gently rotate the heat sink
back and forth to help break this bond. When the heat sink moves back and
forth easily, the bond is broken.
the microprocessor socket.
follow all packaging instructions, and use any packaging materials for shipping
that are supplied to you.
1. Lift the microprocessor-release lever to the fully open position (approximately
135° angle).
Lever closed
Attention: To avoid bending the pins on the microprocessor, do not use
excessive force when pressing it into the socket.
2. Position the microprocessor over the microprocessor socket as shown in the
following illustration. Carefully press the microprocessor into the socket.
Lever fully
open