TYAN S5512 series User Manual page 34

3. Please refer to the image.
4. Remove the PnP cap from the
CPU socket.
5. Position the CPU over the
socket, ensuring that the gold
triangle is on the bottom-left corner
of the socket, and then fit the
socket alignment keys into the
CPU notches.
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.
CPU notches
34
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Alignment key