IBM 3270 Maintenance Manual page 650

5.
Install the top card connector; make sure the
pins on the top card connector are aligned
with the top edge PS and display adapter
sQckets then carefully press the connector
i~to place.
6. Put the system unit cover on (5-100-3).
7. Plug the system unit power cord into the
power outlet.
October 1984 5-3200-25