Asus M2A690G - Manual (Page 22)

2-4 Chapter 2: Basic installation
2.4.1 Installing the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
Make sure that the socket lever is lifted up to a 90º angle; otherwise,
the CPU will not fit in completely.
2. Unlock the socket by pressing
the lever sideways, then lift it up
to a 90º angle.
2.4 Central Processing Unit (CPU)
The motherboard comes with a 940-pin AM2 socket designed for the AMD
Athlon™ 64 X2/Athlon™ 64/Sempron™ processor.
Socket lever
The AM2 socket has a different pinout from the 940-pin socket designed
for the AMD Opteron™ processor. Make sure you use a CPU is designed
for the 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!
R
CPU Socket M2
M2A-VM