ASRock H55M/USB3 R2.0 Quick Installation Guide - Page 11

Step 1. Open the socket: Step 1-1. Disengaging the lever by depressing down and out on the hook to clear retention tab. Step 1-2. Rotate the load lever to fully open position at approximately 135 degrees. Step 1-3. Rotate the load plate to fully open position at approximately 100 degrees. Step 2. Remove PnP Cap (Pick and Place Cap). 1. It is recommended to use the cap tab to handle and avoid kicking off the PnP cap. 2. This cap must be placed if returning the motherboard for after service. Step 3. Insert the 1156-Pin CPU: Step 3-1. Hold the CPU by the edges where are marked with black lines. 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 alignment key Pin1 Pin1 orientation key notch alignment key 1156-Pin Socket 1156-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. 11 ASRock H55M/USB3 Motherboard English