86 Removing and Installing Parts
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NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug
the cable into the computer.
9
Replace the computer cover, reconnect the computer and devices to electrical outlets, and
then turn them on.
Installing PCI Express Graphics Cards in a Dual Configuration NOTE: This section regards dual configurations of PCI Express graphics cards only. For installation of
any other type of PCI or PCI Express cards, see "Installing PCI and PCI Express Cards" on page 91.
The PCI Express x1 card slot is not available for use if a graphics card is installed in each of the
PCI Express x16 card slots in the dual-graphics configuration. If you are upgrading from a a
single graphics to a dual-graphics configuration, you will need to remove any card installed in
the PCI Express x1 card slot. See "System Board Components" on page 78 to locate the PCI
Express x1 card slot. To remove a PCI Express card, see "Removing PCI and PCI Express Cards"
on page 89.
NOTICE: For information about upgrading your system to use NVIDIA SLI (Scalable Link Interface) dual-
graphics technology, see the Dell website at support.dell.com.
To learn more about NVIDIA SLI (Scalable Link Interface) dual-graphics technology, see
"NVIDIA SLI Dual Graphics Technology" on page38.
1
Follow the procedures in "Before You Begin" on page69.
2
Press the lever on the card retention arm and raise the retention arm.
3
If you are upgrading to a dual-graphics configuration, remove the filler bracket to create a
card-slot opening.
PCI card
edge connector
card connector
filler bracket
retention arm
lever