IBM RT PC Options Installation page 105

5. For the numbered adapter slots, remove the screw holding the adapter
slot cover in place. Save the screw to install the adapter later. Save the
adapter slot cover in case you remove an adapter in the future. You
must have either an adapter or a slot cover in each slot.
,.,
I
IBM 6151
IBM 6150
6. Unpack the adapter using the instructions under "Handling
Static-Sensitive Adapters" on page 3-5.
3-10
Options Installation