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Chapter 2. Hardware Setup
SB405-PV User Manual
The PHM sits level with the processor socket assembly. The PHM is NOT installed
properly if it does not sit level with the processor socket assembly. Once the PHM is
seated over the processor socket assembly, the four heat sink torque screws must be
tightened in order as shown below.
Processor Heat Sink – Top View with Screw Tightening Order
CAUTION
Failure to tighten the heatsink screws in the specified order may cause damage to the
processor socket assembly. Heat sink screws should be tighted to 12 in-lbs torque
according to the indicated order on the top of the heatsink label.