6 central processing unit (cpu), 1 installing the cpu – Asus M3N78-EH User Manual
Page 21

ASUS M3N78-EH
1-9
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 that you use a CPU that is designed
for the AM2/AM2+ 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!
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
will not fit in completely.
Socket lever
M3N78-EH CPU Socket AM2/AM2+
R
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