Gigabyte GA-990FXA-UD5 - Setting up AMD Crossfire;NVIDIA SLI Configuration

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Hardware Installation
1-6 Setting up AMD CrossFire
™
/NVIDIASLIConguration
Step 2:
Insert the CrossFire
(Note)
/SLI bridge connectors in the CrossFire/SLI gold edge connectors on top of the cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16 slot.
C.ConguringtheGraphicsCardDriver
C-1. To Enable CrossFire Function
After installing the graphics card driver in the operating system, go to the
AMD VISION Engine Control Center. Browse to Performance\AMD
CrossFireXCongurations and ensure the Enable AMD CrossFireX
check box is selected. Select the GPU combination you want to use
and click Apply.(Availablecombinationoptionsaredependentonthe
numberofgraphicscards.)
A. System Requirements
- The 2-Way CrossFire/SLI technologies currently support Windows 7 and XP operating systems
- The 3-Way CrossFire/SLI technologies currently support Windows 7 operating system
- A CrossFire/SLI-supported motherboard with two/three PCI Express x16 slots and correct driver
- Two/three CrossFire/SLI-ready graphics cards of identical brand and chip and correct driver
 (CurrentGPUsthatsupport3-WayCrossFiretechnologyincludetheATIRadeonHD3800,HD4800,HD
5800 series, and AMD Radeon HD 6800, HD 6900, HD 7800, and HD 7900 series. Current GPUs that
support 3-Way SLI technology include the NVIDIA 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260, GTX 280,
GTX470,GTX480,GTX570,GTX580,GTX590,andGTX600series.)
- CrossFire
(Note)
/SLI bridge connectors
- Apowersupplywithsufcientpowerisrecommended(Refertothemanualofyourgraphicscardsforthe
powerrequirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install two/three graphics cards on the PCI Express
x16 slots. The following table shows the recommended congurationswithtwo/three cards.
(Note) Thebridgeconnector(s)maybeneededornotdependingonyourgraphicscards.
Procedure and driver screen for enabling CrossFire/SLI technology may differ by graphics cards and
driver version. Refer to the manual that came with your graphics cards for more information about
enabling CrossFire/SLI technology.
 Recommended2/3-WayCrossFire/SLICongurations:
PCIEX16_1 PCIEX16_2 PCIEX8 PCIEX4_1 PCIEX4_2
2-Way
a a
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3-Way
a a a
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