Installation manual

2-4 Chapter 2: Basic installation

2.4 Central Processing Unit (CPU)

2.4.1 Overview

2.4.2 Installing CPU

To install a CPU:

1. Locate the CPU socket on the motherboard.

The motherboard comes with an AM2+/AM2 socket designed for AMD

Socket

AM2+ Phenom™ FX / Phenom / Athlon™ 64 / Sempron™ processor or for Socket

AM2 Athlon 64 X2 / Athlon 64 FX / Athlon 64 / Sempron processor.

• Make sure that all power cables are unplugged before installing the CPU.

• Connect the chassis fan cable to the CHA_FAN connector to ensure

system stability.

M3A78-EM CPU Socket AM2+

M3A78-EM

The AM2+/AM2 socket has a different pinout from the 940-pin socket designed

for the AMD Opteron processor. Ensure you use a CPU designed for the

AM2+/AM2 socket. The CPU ts 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!