Asus M4A78LT-M Installation Manual page 7

. Remove the PnP cap from the CPU
socket.
PnP cap
socket to prevent bending the connectors on the socket and damaging the CPU!
8. Close the load plate (A), and then
push the load lever (B) until it snaps
into the retention tab.
ASUS Motherboard installation guide
. Position the CPU over the socket,
ensuring that the gold triangle is on
the bottom‑left corner of the socket,
into the CPU notch.
CPU notch
Alignment key
Gold
triangle
mark
A
B
7