Central Processing Unit (Cpu); Installing The Cpu - Asus Crosshair IV Extreme Manual

2.3

Central Processing Unit (CPU)

The motherboard comes with an AM3 socket designed for AM3 Phenom™
II/Athlon™ II/ Sempron™ 100 Series Processors Series Processors.
Ensure that all power cables are unplugged before installing the CPU.
The AM3 socket has a different pinout from the 940-pin socket designed for
the AMD Opteron processor. Ensure that you use a CPU designed for the AM3
socket. The CPU fits in only one correct orientation. DO NOT force the CPU into
the socket to prevent bending the connectors on the socket and damaging the
CPU!
2.3.1

Installing the CPU

To install a CPU:
1. Locate the CPU socket on the motherboard.
2. Unlock the socket by pressing the
lever sideways, then lift it up to a
90º angle.
Ensure that the socket lever
is lifted up to a 90º angle;
otherwise, the CPU will not fit in
completely.
ROG Crosshair IV Extreme
Socket lever
2-9