Dell 755 manual 119

4Disconnect the PS/2 serial-port cable from the system board (see "System Board Components" on page 95).

5Ease the PS/2 serial-port adapter bracket out of its retention slot.

6If 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.

7Before 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.

8Secure any remaining card(s) by closing the card retention latch and snapping it into place.

9Replace the computer cover (see "Replacing the Computer Cover" on page 317).

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

1Follow the procedures in "Before You Begin" on page 21.

2Remove the computer cover (see "Removing the Computer Cover" on page 90).

3Remove the riser-card cage:

a Check any cables connected to cards through the back panel openings. Disconnect any cables that will not reach the riser-card cage once they are removed from the computer.

Expansion Cards

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