American Megatrends Apollo User Manual page 33

Step
2
3
Chapter 3 Installation
Action
Pin 1 of the socket has a white diagonal line across one corner
on the motherboard, which corresponds to pin 1 of the CPU.
Check for bent pins on the CPU. Gently straighten any bent
pins with pliers. Place the CPU in the middle of the socket, as
shown below. Make sure that pin 1 of the CPU is aligned
Make sure you are properly
with pin 1 of the socket.
grounded while handling the CPU.
Complete installation by lifting the ZIF lever to the other side
of the socket, as shown below.
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