Installing a CPU
Installing an Intel® Pentium® 4 CPU in the LGA775 package
1.Locate the CPU socket on the motherboard.
2.Press the load lever with your thumb (A), then move it to the left (B) until it is released from the retention tab.
CAUTION. To prevent damage to the socket pins, do not remove the PnP cap unless you are installing a CPU.
Retention tab
A
B
Load lever
3.Lift the load lever in the direction of the arrow to a 135º angle.
4.Lift the load plate with your thumb and forefinger to a 100º angle (4A), then push the
PnP cap from the load plate window to remove (4B).
PnP cap
Load plate
4B
4A
3 
5.Position the CPU over the socket, making sure that the gold triangle is on the bottom‑left corner of the socket. Fit the socket alignment key into the CPU notch.
Gold 
triangle mark
Alignment key
6.Close the load plate (A), then push the load
lever (B) until it snaps into the retention tab. | A |
B
Installation manual |