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Figure 14. Microprocessor VRM
10. Install the heat sink:
Protective cover
Figure 15. Placing the heat sink on the microprocessor
18
xSeries 445 Type 8870: Installation Guide
a. Remove the heat sink from its package and detach the protective cover
from the bottom of the heat sink.
Attention:
Do not disturb or contaminate the heat-conducting grease on
the bottom of the new heat sink. Doing so damages its heat-conducting
capability and exposes the new microprocessor to overheating.
Captive screws
b. Align the heat sink over the microprocessor; then, carefully set it down on
top of the microprocessor.
Heat sink
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