Locate the CPU socket on the motherboard. A8V-VM CPU Socket 939A8V-VMRGold Arrow Before installing the CPU, make sure that the socket box is facing towards you and the load lever is on your left. 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely. 3. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket