Asus Motherboard P5ND2 - Manual (Page 23)

ASUS P5ND2 1-11
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 ® Pentium ® 4 LGA775 processors with
the Enhanced Intel SpeedStep ® Technology (EIST), and Hyper-Threading
Technology.