Dell bpcwcsn_5 - OptiPlex - 740 User Manual page 166

1
3 Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the
latch until it snaps into the open position.
4 If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot
opening.
5 If you are replacing an adapter that is already installed in the computer, remove the adapter.
6 If necessary, disconnect any cables connected to the adapter.
7 Grasp the serial port adapter by its top corners, and ease it out of its connector.
8 Prepare the serial port adapter for installation.
CAUTION:
To guard against electrical shock, be sure to unplug your computer from its electrical outlet before
installing any cards or adapters.
9 Align the PS/2 serial-port adapter bracket in the retention slot and press down firmly. Ensure that the
adapter is fully seated in the slot.
10 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.
11 Secure the card(s) by closing the card retention latch and snapping it into place.
NOTICE:
Do not route card cables over the cards. Cables routed over the cards can prevent the computer cover
from closing properly or cause damage to the equipment.
12 Connect the adapter cable to the PS/2 serial port adapter connector (PS2/SER2) on the system board
(see "System Board Components" on page 102).
13 Replace the riser-card cage:
Align the tabs in the side of the riser-card cage with the slots on the side of the computer, and slide
a
the riser-card cage down into place.
Ensure that the riser-card connectors are fully seated in the connectors on the system board.
b
Rotate the riser-card cage handle to the down position.
c
14 Connect any disconnected cables.
15 Replace the computer cover (see "Replacing the Computer Cover" on page 297).
16 Install any drivers required for the serial port adapter.
Removing a Serial Port Adapter From the Riser-Card Cage
1 Follow the procedures in "Before You Begin" on page 19.
2 Remove the riser-card cage:
166
Desktop Computer
2
riser-card cage
3
handle riser cards (2)