IBM iSeries 270 Service Manual page 119

Sb2 and sb3 hardware

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Use an 8mm socket to loosen the actuation bolt in center of the MCM module. (A 5mm socket must

be used if removing the protective LGA cover). If installing a new MCM, remove the actuation bolt.

If installing a new MCM, insert the new actuation bolt supplied with the new MCM module.

Move the actuation bolt to the up position and hand tighten to hold the assembly in the up position.

At the front, hold the MCM module with one hand while using the 8mm socket to unlatch the locking

With both hands, grasp the modules 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.

Figure 2. MCM module (processor) and passsthru modules being removed

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