• Procedureand driverscreen forenabling CrossFire/SLI technology may differby graphics cardsand driverversion.
RefertothemanualthatcamewithyourgraphicscardsformoreinformationaboutenablingCrossFire/SLItechnology.
• When two or more graphics cards are installed, we recommend that you connect the SATA power cable from the
power supply to theATX4P connector to ensure system stability.
1-6 Setting upAMD CrossFire™/NVIDIA®SLI™Conguration
(Note)Thebridgeconnector(s)maybe neededor notdepending onyour
graphics cards.
C.ConguringtheGraphicsCardDriver
C-1. To Enable CrossFire Function
After installing the graphics card driver in the operating system,
go to the Catalyst Control Center.Browse to Performance\
AMD CrossFireX™Conguration and ensure the Enable
CrossFireX™check box is selected.If your system has more than
two CrossFire cards, select the GPU combination you want to use
and click Apply. (Availablecombinationoptionsaredependenton
thenumberofgraphicscards.)
A. System Requirements
-Windows 8.1/8/7 operating system
-ACrossFire/SLI-supported motherboard with two or more PCI Express x16 slots and correct driver
-CrossFire/SLI-ready graphics cards of identical brand and chip and correct driver
(CurrentGPUsthatsupport3-Way/4-WayCrossFiretechnologyincludetheATIRadeon™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/4-Way SLI™technology include the NVIDIA8800 GTX, 8800 Ultra, 9800 GTX,
GTX260,GTX280,GTX470,GTX480,GTX570,GTX580,GTX590,andGTX600series.)Forthe
latest GPU support information, please refer to theAMD/NVIDIA®website.)
-CrossFire (Note)/SLI bridge connectors
-Apowersupplywithsufcientpowerisrecommended(Refertothemanualofyourgraphicscardsforthe
powerrequirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install CrossFire/SLI graphics cards on the PCI
Expressx16 slots. (To setup a 2-Way conguration,we recommend installing thegraphics cards on the
PCIEX16_1andPCIEX16_2slots.)
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_1 slot.
C-2. To Enable SLI Function
Afterinstallingthegraphicscarddriverintheoperatingsystem,goto
theNVIDIAControlPanel.BrowsetotheCongureSLI,Surround,
PhysX screen and ensure Maximize 3D performance is enabled.