ASROCK P67 Extreme4 Gen3 User Manual page 17

Step 3. Insert the 1155-Pin CPU:
Step 3-1. Hold the CPU by the edge where is
marked with black line.
Step 3-2. Orient the CPU with IHS (Integrated
Heat Sink) up. Locate Pin1 and the
two orientation key notches.
orientation key notch
Pin1
orientation key notch
1155-Pin CPU
For proper inserting, please ensure to match the two orientation key
notches of the CPU with the two alignment keys of the socket.
Step 3-3. Carefully place the CPU into the
socket by using a purely vertical mo-
tion.
Step 3-4. Verify that the CPU is within the sock-
et and properly mated to the orient
keys.
Step 4. Close the socket:
Step 4-1. Rotate the load plate onto the IHS.
Step 4-2. While pressing down lightly on load
plate, engage the load lever.
alignment key
alignment key
1155-Pin Socket
17
Pin1