IBM pSeries 670 Service Manual page 823

19. With both hands, grasp the module across the narrow span of the heatsink cap, and pull the MCM
module from the system board and place it, posts-down, on the ESD mat.
20. Remove the two steel alignment rods and move them to the next MCM processor to be removed.
Continue doing the previous steps until all of the MCM processors you plan to remove have been
removed.
21. Using the new brush supplied with the new module, follow the procedures described in this step to
clean the LGA site on the system backplane. The LGA site is the position from which you removed
the MCM module.
Note: Before you remove the brush from its protective bag, loosen the bristles by pressing them on
the ESD mat until they are 90 degrees from the handle.
1 Processor Backplane
2 MCM (aluminum heatsink version)
3 MCM Pass Through
Chapter 9. Removal and Replacement Procedures
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