ASRock B75 Pro3 manual Black line

Step 3. Insert the 1155-Pin CPU:
Step 3-1.	Hold the CPU by the edge which is
	marked with a black line.	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	alignment key
Pin1

Pin1

	alignment key
orientation key notch	1155-Pin Socket
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.

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