IBM x3250 M2 Problem Determination And Service Manual page 109

Attention:
v The microprocessor contacts are fragile; handle the microprocessor very
carefully. Do not touch the microprocessor contacts with your skin.
v The microprocessor fits only one way on the socket.
2. Align the microprocessor with the socket (note the alignment mark and the
position of the notches); then, carefully place the microprocessor on the
socket, close the microprocessor bracket frame, and close the microprocessor
release latch.
3. If you are installing a new heat-exchanger assembly, peel off the protective
backing from the thermal material that is on the underside of the new heat
exchanger. If you are reinstalling a heat-exchanger assembly that was
previously removed, see "Thermal grease" on page 92 for instructions for
replacing the contaminated or missing thermal grease; then, continue with step
4 of this procedure.
4. Make sure that the heat-exchanger assembly release latch is fully opened.
Chapter 4. Removing and replacing server components
91