HPE ProLiant DL360 Gen11 User Manual page 77

4. Verify that the processor is securely latched to the processor carrier.
The following illustration calls out the keying feature tabs that secure the processor. Different processor carriers will have these
tabs in different locations.
5. Attach the heatsink to the processor carrier:
a. Align the pin 1 indicator on the processor carrier with that on the heatsink.
HPE ProLiant DL360 Gen11 Server User Guide 77