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1-6 Setting up AMD CrossFire™/NVIDIA® SLI™Conguration
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
 (CurrentGPUsthatsupport3-Way/4-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(andabove)series.
Current GPUs that support 3-Way/4-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(andabove)
series. For the latest GPU support information, please refer to the AMD/NVIDIA®ofcialwebsite.)
-CrossFire (Note1)/SLI bridge connectors
-Apowersupplywithsufcientpowerisrecommended(Note2)(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 CrossFire/SLI graphics cards on the PCI
Expressx16 slots. (To set up a 2-Wayconguration, werecommend installing thegraphics cards on the
PCIEX16_1andPCIEX16_2slots.)
Step 2:
Insert the CrossFire (Note1)/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
CrossFireXâ„¢ check box is selected. Select the GPU combination
youwanttouse(Availablecombinationoptionsaredependentonthe
numberofgraphicscards.)andclickApply.
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.
(Note1) Thebridgeconnectorsmaybeneededornotdependingonyourgraphicscards.
(Note2) Whentwoormoregraphicscardsareinstalled,werecommendthatyouconnecttheSATApower
cablefromthepowersupplytotheATX4Pconnectortoensuresystemstability.For4-wayCrossFire/
SLI,youmusttheATX4Pconnector.
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 CongureSLI,Surround,
Physx screen and ensure Maximize 3D performance is enabled.