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1-6 Setting up AMD CrossFire™/NVIDIA® SLI™Conguration
A. System Requirements
-Windows 8 or Windows 7 operating system
-A CrossFire/SLI-supported motherboard with two/three/four PCI Express x16 slots and correct driver
-Two/three/four 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™HD6800,HD6900,HD7800,andHD7900(andabove)series.
Current GPUs that support 3-Way/4-Way SLI technology include the NVIDIA®8800GTX,8800Ultra,9800
GTX,GTX260,GTX280,GTX470,GTX480,GTX570,GTX580,GTX590,andGTX600(andabove)
series. For the latest GPU support information, please refer to the AMD/NVIDIA®ofcialwebsite.)
-CrossFire (Note1)/SLI bridge connectors
-Apowersupplywithsufcientpowerisrecommended(Note2)(Refertothemanualofyourgraphicscards
forthepowerrequirement)
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 set up a 2-Wayconguration, werecommend installing thegraphics cards on the
PCIEX16_1andPCIEX16_2slots.)
Step 2:
Insert the CrossFire (Note1)/SLI bridge connectors in the CrossFire/SLI gold edge connectors on top of the cards.
Step 3:
PlugthedisplaycableintothegraphicscardonthePCIEX16slot.
C.ConguringtheGraphicsCardDriver
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™Congurations and ensure the Enable AMD
CrossFireX™ check box is selected. Select the GPU combination
youwanttouse(Availablecombinationoptionsaredependentonthe
numberofgraphicscards.)andclickApply.
Procedure and driver screen for enabling CrossFire/SLI technology may differ by graphics cards. Refer
to the manual that came with your graphics cards for more information about enabling CrossFire/SLI
technology.
(Note1) Thebridgeconnectorsmaybeneededornotdependingonyourgraphicscards.
(Note2) Whentwoormoregraphicscardsareinstalled,werecommendthatyouconnecttheSATApower
cablefromthepowersupplytotheATX4Pconnectortoensuresystemstability.For4-wayCrossFire/
SLI,youmusttheATX4Pconnector.
C-2. To Enable SLI Function
After installing the graphics card driver in the operating system, go to
the NVIDIA Control Panel. Browse to the CongureSLI,Surround,
Physx screen and ensure Maximize 3D performance is enabled.