Asus RS300-H8-PS12 - Manual (Page 28)

Chapter 2: Hardware setup 2-6
2.2.2 Installing the CPU heatsink
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.
2. Twist each of the four screws with
a Phillips 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.
A C
D B
3. Place the airduct cover on top of the
heatsink and CPU assembly. Ensure
that the airduct cover is fitted securely
in place.
Tighten the four heatsink screws in a criss-cross sequence.
A
C
D
B