Service Manual

This section pertains to dual PCI Express graphics card configurations only. For installation of other types of PCI or PCI Express cards, see Installing PCI and
PCI Express Cards.
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 a dual-graphics card
configuration. If you are upgrading from a single graphics card to a dual-graphics card configuration, you will need to remove any card installed in the PCI
Express x1 card slot (see System Board Components to locate the PCI Express x1 card slot). To remove a PCI Express card, see Removing PCI and PCI
Express Cards.
1. Follow the procedures in Before You Begin.
2. Remove the computer cover (see Replacing the Computer Cover).
3. Remove the filler bracket or existing graphics card (see Removing a PCI Express Graphics Card From a Dual Configuration) to create a card-slot opening.
4. Install the PCI Express graphics card (see Installing PCI and PCI Express Cards).
5. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
computer.
6. Connect any cables that should be attached to the card.
See the documentation that came with the card for information about the card's cable connections.
7. Rotate the card retainer back into its original position; push its tip so that its tab clicks into place.
8. Attach the graphics card bridge (if required for your dual-graphicsconfiguration),pressingfirmlysothatitcompletelycoverstheconnectortabs.
9. If present, lower the card-retention device that lies over the installed cards and snap it into place.
10. Replace the computer cover (see Replacing the Computer Cover).
11. Connect your computer and devices to electrical outlets, and then turn them on.
Configuring Your Computer After Removing or Installing a PCI/PCI Express Card
NOTE: If you are upgrading to a dual-graphics card configuration and have a card installed in the PCI Express x1 card slot, remove the card (see
Removing PCI and PCI Express Cards).
CAUTION: An incorrectly attached graphics power cable may result in degraded graphics performance.
CAUTION: Before pushing the card retainer back into place, ensure that the tops of all cards and filler brackets are flush with the alignment bar
and the notch in the top of each card or filler bracket fits around the alignment guide.
1
graphics card bridge (not present on some dual-graphics card configurations)
2
power connectors (2)
3
dual-PCI Express graphics cards