Dell bpcwcsn_5 - OptiPlex - 740 User Manual page 165

3 Disconnect the PS/2 serial-port cable from the system board (see "System Board Components" on
page 102).
4 Grasp the PS/2 serial-port adapter bracket by its top corners, and ease it out of its connector.
5 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 also keep dust and dirt out of your computer.
6 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.
7 Secure any remaining card(s) by closing the card retention latch and snapping it into place.
8 Replace the computer cover (see "Replacing the Computer Cover" on page 297).
Installing a Serial Port Adapter in the Riser-Card Cage
1 Follow the procedures in "Before You Begin" on page 19.
2 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.
Rotate the riser-card cage handle up and gently pull on the handle and lift the riser-card cage up
b
and away from the computer.
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Desktop Computer
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