Cisco UCS B200 M3 Installation Manual page 20

Step 4
Place the CPU and tool on the CPU socket with the registration marks aligned as shown.
Step 5 Press the button/handle on the pick and place tool to release the CPU into the socket.
Figure 15: Using the CPU Pick and Place Tool to Insert the CPU
1 Alignment mark on the tool button/handle
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2 Alignment mark on the CPU socket