The Mac Pro (Early 2008 Dual 3.2 GHz) computer uses a special coating on the processor heatsink and processor to manage the temperature in the computer. The silver-colored coating comes applied to the underside of the heatsink and the top of the processor.
Use the following guidelines when handling the processor heatsink and/or processor:
Wear disposable nitrile or latex gloves
Avoid touching the silver-colored coating on the underside of the heatsink and the top of the processor.
Always make a visual inspection of new or existing heatsinks and processors before installing them in the computer.
When removing or replacing the heatsink and/or processor, do not allow the heatsink to be separated from the processor for more than 30 minutes. The special coating on the heatsink and processor degrades with exposure to air; more than 30 minutes exposure could result in damage to the computer and a repeat, multi-part repair.
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