Supermicro A+ Server AS -1115CS-TNR User Manual page 35

Chapter 3: Maintenance and Component Installation
12. Using a diagonal pattern, tighten the six screws down on the heatsink in a clockwise
fashion till it is secure. Use a torque screwdriver and set it at 12.5~15.0 kgf-cm
(10.85~13.01 lbf-in) with a Torx T20 screw head bit to prevent damage to the CPU
socket and heatsink. The heatsink will now be secured and you have finished installing
the processor and heatsink onto the motherboard. Repeat this procedure for any
remaining CPU sockets on the motherboard.
Screw #5
Screw #3
Screw #2
Screw #4
Screw #1
Screw #6
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