HPE ProLiant ML350 Gen11 - Page 120

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 ML350 Gen11 Server Maintenance and Service Guide 120