Asus P5N73-CM - Manual (Page 24)

1-12 Chapter 1: Product introduction
The CPU fits in only one correct orientation. DO NOT force the CPU into the
socket to prevent bending the connectors on the socket and damaging the CPU!
6. Close the load plate (A), then push
the load lever (B) until it snaps into
the retention tab.
A
B
The motherboard supports Intel ® LGA775 processors with the Enhanced Intel
SpeedStep ® Technology (EIST), and Hyper-Threading Technology.
5. Position the CPU over
the socket, making sure
that the gold triangle is
on the bottom-left corner
of the socket. The socket
alignment key should fit
into the CPU notch.
Alignment key
Gold triangle mark