Supermicro SuperWorkstation SYS-531AD-I User Manual page 27

4. Apply the proper amount of thermal grease on the CPU.
5. Place the heatsink on top of the CPU so that the four mounting holes on the heatsink
are aligned with those on the retention mechanism.
6. Tighten the screws.
Chapter 3: Maintenance and Component Installation
Screw
Screw
27
Screw
Motherboard
top side