ASROCK X79 Extreme9 User Manual page 19

Step 2-2. Locate Pin1 and the two orientation
key notches.
orientation key notch
orientation key notch
For proper inserting, please ensure to match the four orientation key
notches of the CPU with the four alignment keys of the socket.
Step 2-3. Carefully place the CPU into the
socket by using a purely vertical mo-
tion.
Step 2-4. Verify that the CPU is within the sock-
et and properly mated to the orient
keys.
Step 3. Close the socket:
Step 3-1. Flip the load plate onto the IHS, then
the cover will automatically come off
by itself.
The cover must be placed if returning the
motherboard for after service.
Step 3-2. Press down the right load lever, and
secure it with the load plate tab under
the retention tab.
Step 3-3. Press down the left load lever, and
secure it with the load plate tab under
the retention tab.
Pin1
2011-Pin CPU
alignment key
alignment key
2011-Pin Socket
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