User guide

ASUS M4A78-E 2-5
Chapter 2
2.3.1 Installing the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
2.3 Central Processing Unit (CPU)
The motherboard comes with an AM2+/AM2 socket designed for Phenom™ X4 /
Phenom™ X3 / Athlon™ X2 / Athlon™/ Sempron™ processors (socket AM2+/AM2). It is also
compatible with AMD
®
Phenom™ II / Athlon™ X4 / Athlon™ X3 / Athlon™ X2 (AM3 CPU).
The CPU socket is not compatible with AMD
®
Opteron™ processors. Do not install an
Opteron™ processor on this motherboard.
Ensure that the socket lever is lifted
up to a 90º angle; otherwise, the CPU
will not t in completely.
2. Unlock the socket by pressing the lever
sideways, then lift it up to a 90º angle.
Socket lever