Figure 3-8: Fan cooling with heatsink assembly installation

6.If the CPU to be installed is Type PPGA, please remove the copper block by unscrewing two screws before attaching the thermal pad on the heat sink. Prior to doing that, it would be helpful if you apply an even layer of the silicone heat sink paste on the top of the CPU.

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Advantech PPC-S123 manual Fan cooling with heatsink assembly installation