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A click sound indicates that the rail frame is properly engaged.
13. Close the force frame:
CAUTION: Do not overtighten the screws as this might damage the system board or the processor socket.
a. Pivot the spring loaded force frame downward and hold it down (callout 1).
b. Use a T-20 Torx screwdriver to tighten the captive screws in the sequence shown in the following image
(callouts 2–4).
When using a torque wrench to tighten the screws, apply a torque of 1.58 N⋅m (14 lbf-in).
14. Remove the thermal interface protective cover from the new heatsink.
15. Install the heatsink:
CAUTION: To prevent mechanical damage or depositing oil on your hands or other contaminant to the
heatsink contact surface, hold the heatsink only by the edge of its base plate. Do not touch the heatsink fins.
CAUTION: To prevent thermal failure or component damage, do not move the heatsink once the bottom of its
base plate touches the top of the processor. Excessive heatsink movement can cause the thermal grease to
smear and become uneven. Voids in the compound can adversely impact the transfer of heat away from the
processor.
Hardware options installation
74
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