ASROCK H61M-DG4 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
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.
Step 4-3. Secure load lever with load plate tab
under retention tab of load lever.
Please be noticed that this motherboard supports Combo Cooler
Option (C.C.O.), which provides the flexible option to adopt three dif-
ferent CPU cooler types, Socket LGA 775, LGA 1155 and LGA 1156.
The white throughholes are for Socket LGA
1155/1156 CPU fan.
1155-Pin CPU
alignment key
17
Pin1
alignment key
1155-Pin Socket