Asus T3-M2NC51PV - Manual (Page 22)

2-6 Chapter 2: Basic installation
To install a CPU:
1. Locate the CPU socket on the motherboard.
2. Unlock the socket by pressing the
lever sideways, then lift it up to a
90°-100° angle.
Make sure that the socket lever is lifted up to 90°-100° angle, otherwise
the CPU does not fit in completely.
Socket lever
R
M2N5-BN
CPU Socket AM2
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.
Gold triangle
Small triangle