ASRock P4 Combo User Manual - Page 14

II. For the installation of Intel 478-Pin CPU, please follow the steps below. Step 1. Step 2. Step 3. Unlock the socket by lifting the lever up to a 90° angle. Position the CPU directly above the socket such that its marked corner matches the base of the socket lever. Carefully insert the CPU into the socket until it fits in place. The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to avoid bending of the pins. Step 4. When the CPU is in place, press it firmly on the socket while you push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked. Lift Lever Up to 90° CPU Marked Corner Socket Marked Corner STEP 1: Lift The Socket Lever Up to 90° STEP 2/STEP 3: Match The CPU Marked Corner to The Socket Marked Corner STEP 4: Push Down And Lock The Socket Lever 14