Asus P8H61-M LX R2.0 - Manual (Page 21)

1-11 Chapter 1: Product introduction
4. Remove the PnP cap from the CPU
socket by lifting the tab only.
PnP cap
The CPU fits in only one correct
orientation. DO NOT force the CPU
into the socket to prevent bending
the connectors on the socket and
damaging the CPU!
Gold
triangle
mark
Alignment keys
CPU notches
5. Position the CPU over the socket,
ensuring that the gold triangle is on the
bottom-left corner of the socket, and
then fit the socket alignment keys into
the CPU notches.
6. Apply some Thermal Interface Material
to the exposed area of the CPU that
the heatsink will be in contact with,
ensuring that it is spread in an even
thin layer.
Some heatsinks come with pre-
applied thermal paste. If so, skip
this step.
The Thermal Interface Material is
toxic and inedible. DO NOT eat it. If
it gets into your eyes or touches your
skin, wash it off immediately, and
seek professional medical help.