Oracle Exadata Storage Server X7-2 EF Service Manual page 132

Install a Processor
c. Lift the processor-heatsink module out of the packaging tray.
Align the processor-heatsink module to the processor socket bolster plate
d.
on the motherboard, matching the pin 1 location [1].
A small pin 1 indicator (triangle) is near the beveled corner of the socket.
Callout
1
132 Oracle Exadata Storage Server X7-2 EF and HC Service Manual • May 2018
Description
Pin 1 indicator