Nvidia DGX-2 System Service Manual page 85

I/O Tray Removal and Installation
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.
8. Confirm the I/O tray replacement.
a). Connect all cables back into the ConnectX-5 card ports.
DGX-2 System DU-09224-001 _v09 | 79