Installing A Ps/2 Serial Port Adapter In The Riser-Card Cage - Dell OptiPlex 755 User Manual

4 Disconnect the PS/2 serial-port cable from the system board (see "System Board Components" on
page 95).
5 Ease the PS/2 serial-port adapter bracket out of its retention slot.
6 If you are removing the adapter permanently, install a filler bracket in the empty card-slot opening.
NOTE:
Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of
the computer. The brackets keep dust and dirt out of your computer and maintain the airflow that cools your
computer.
7 Before you close the card retention mechanism, ensure that:
• The tops of all cards and filler brackets are flush with the alignment bar.
• The notch in the top of the card or filler bracket fits around the alignment guide.
8 Secure any remaining card(s) by closing the card retention latch and snapping it into place.
9 Replace the computer cover (see "Replacing the Computer Cover" on page 317).

Installing a PS/2 Serial Port Adapter in the Riser-Card Cage

1 Follow the procedures in "Before You Begin" on page 21.
2 Remove the computer cover (see "Removing the Computer Cover" on page 90).
3 Remove the riser-card cage:
Check any cables connected to cards through the back panel openings. Disconnect any cables that
a
will not reach the riser-card cage once they are removed from the computer.
119
Expansion Cards