Asus V4-M3A3200 - Manual (Page 26)

2-6 Chapter 2: Basic installation
Make sure that the socket lever is lifted up to a 90º angle; otherwise, the CPU
will not fit in completely.
2. Unlock the socket by pressing the
lever sideways, then lift it up to a
90º angle.
Socket lever
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.
Please make sure your CPU
is fully plugged-in to reduce
abnormal symptom.