IBM 5170 Installation And Setup page 120

InstaDation Instructions
1
Remove the screw that holds the expansion
slot's cover in place. Save the screw for the
installation of the adapter.
Note: The IBM Serial/Parallel Adapter can
be installed in any available expansion slot.
~
t.. -
Save this screw.
~I
t
Expansion Slot's Cover
3-98 Serial/ParaDel Adapter