Asus P4S533 - Installing the CPU

12 Chapter 2: Hardware information
2.4.2 Installing the CPU
Follow these steps to install a CPU.
1. Locate the 478-pin ZIF socket on the motherboard.
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.
Socket Lever
90 -100