Step 1. Read the safety information that begins on “Safety” on page v and “Installation guidelines” on page
417
.
Step 2. Turn off the server and peripheral devices and disconnect the power cords and all external cables.
Step 3. Remove the cover (see
“Removing the cover” on page 424).
Step 4. Disconnect any cables that impede access to the heat sink and microprocessor.
Step 5. Open the heat sink release lever to the fully open position.
Step 6. Lift the heat sink out of the server. After removal, place the heat sink on its side on a clean, flat
surface.
Figure 117. Heat sink removal
Step 7. Release the microprocessor retention latch by pressing down on the end, moving it to the side, and
releasing it to the open position.
Step 8. Open the microprocessor bracket frame by lifting up the tab on the top edge. Keep the bracket
frame in the open position.
Microprocessor
bracket frame
Microprocessor
release lever
Figure 118. Microprocessor bracket frame disengagement
Step 9. Locate the microprocessor installation tool that comes with the new microprocessor.
Step 10. Twist the handle on the microprocessor tool counterclockwise so that it is in the open position.
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System x3550 M3Problem Determination and Service Guide
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