Asus M2R-FVM - Manual (Page 22)

1-10 Chapter 1: Hardware information
3. Position the CPU above the
socket such that the CPU corner
with the gold triangle matches
the socket corner with a small
triangle.
4. Carefully insert the CPU into the
socket until it fits in place.
5. When the CPU is in place, push
down the socket lever to secure
the CPU. The lever clicks on the
side tab to indicate that it is
locked.
6. Install a CPU heatsink and fan
following the instructions that
came with the heatsink package.
Gold triangle
Small triangle
Please make sure
your CPU is fully
plugged-in to reduce
abnormal symptom.