Asus M3A78-EH User Manual download pdf (Page 22)

1-10 Chapter 1: Product introduction

1.6 Central Processing Unit (CPU)

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.

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!

1.6.1 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

90°-100° angle.

Ensure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU

does not t in completely.

Socket lever

M3A78-EH

M3A78-EH CPU Socket AM2

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Asus M3A78-EH User Manual Page 22