Step 3.
Insert the 1155-Pin CPU:
Step 3-1. Hold the CPU by the edge which is
marked with a black line.
Step 3-2. Orient the CPU with the IHS (Inte-
grated 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. Flip the load plate onto the IHS.
Step 4-2. Press down the load lever, and se-
cure it with the load plate tab under
the retention tab.
14
ASRock P75 Pro3 Motherboard
alignment key
Pin1
alignment key
1155-Pin Socket