Asus P5P43TD/USB3 - Manual (Page 19)

ASUS P5P43TD 1-9
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.
DO NOT eat the Thermal Interface Material. If it gets into your eyes or touches your skin,
ensure that you wash it off immediately, and seek professional medical help.
Some heatsinks come with pre-applied
thermal paste. If so, skip this step.
To prevent contaminating the paste, DO NOT spread the paste with your finger directly.
7. Close the load plate (A), then push
the load lever (B) until it snaps into the
retention tab.
A
B