Asus RS720-E7/RS12 - Manual (Page 28)

Chapter 2: Hardware setup 2-8
2. Twist each of the four screws with
a Philips (cross) screwdriver just
enough to attach the heatsink to
the motherboard. When the four
screws are attached, tighten them
one by one to completely secure
the heatsink.
2.2.2 Installing the CPU heatsink and airduct
To install the CPU heatsink:
1. Place the heatsink on top of the
installed CPU, ensuring that the four
fasteners match the holes on the
motherboard.
To install the airduct:
1. Locate the three screws on the
motherboard and remove the three
screws.
Tighten the four heatsink screws in a
diagonal sequence.
A B
B A
2. Remove the three screws from
motherboard.