Foxconn PL7MA User's Manual page 15

Chapter 2 Installation Instructions
3. Hold CPU with thumb and forefinger. Ensure fingers align to socket cutouts.
Match the CPU triangle marker to Pin 1 position as shown below. The alignment
key also provides the orientation directed function. Lower the CPU straight down
without tilting or sliding the CPU in the socket.
Alignment Key
Pin 1 position
Socket Cutouts
4. After installing the CPU, remove the protective cover from load plate. The
protective cover is used to protect the contacts of the socket. Do not discard the
protective cover. Always replace the socket cover if the CPU is removed from the
socket.
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