Nvidia DGX-2 System Service Manual page 49

ConnectX-5 Card Replacement
c). Push the I/O tray back into the system.
d). Close the levers toward the center, making sure the connectors engage with the
midplane, then tighten the thumbscrews by hand or with a Phillips 2 screwdriver.
DGX-2 System DU-09224-001 _v09 | 43