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ASRock  H61M-DG3/USB3  Motherboard

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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.

2.2    Installation of CPU Fan and Heatsink

For proper installation, please kindly refer to the instruction manuals of your CPU 
fan and heatsink.

Below is an example to illustrate the installation of the heatsink for 1155-Pin CPU.
Step 1.  Apply thermal interface material onto center of 

IHS on the socket surface.

Step 2.  Place the heatsink onto the socket. Ensure 

fan cables are oriented on side closest to the 
CPU fan connector on the motherboard (CPU_
FAN1, see page 2, No. 3).

Step 3.  Align fasteners with the motherboard through-

holes.

Step 4.  Rotate the fastener clockwise, then press 

down on fastener caps with thumb to install 
and lock. Repeat with remaining fasteners.

If you press down the fasteners without rotating them clockwise, the 
heatsink cannot be secured on the motherboard.

Step 5.  Connect fan header with the CPU fan connector on the motherboard.
Step 6.  Secure excess cable with tie-wrap to ensure cable does not interfere with  
 

fan operation or contact other components.

Apply Thermal
Interface Material

Fan cables on side
closest to MB header

Fastener slots
pointing straight out

Press Down
(4 Places)

Please be noticed that this motherboard supports Combo Cooler 
Option (C.C.O.), which provides the fl exible 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.