IBM ThinkCentre 8105 Hardware Replacement Manual page 18

12. To remove the microprocessor from the failing system board, release the lever
13. Use the vacuum pen 1 to remove the microprocessor from the system board
10
Hardware Replacement Guide
3 securing the microprocessor 2 then pivot the microprocessor retainer 1
until it is fully open.
socket by lifting it out of the socket.
Note: If you are replacing a failing microprocessor, you will receive a vacuum
pen with the new microprocessor.
Important
Do not touch the gold contacts on the bottom of the microprocessor. If
you must touch the microprocessor, touch only the sides.