User`s manual

- 20 -
Hardware Installation
1-6 Setting up AMD CrossFire
™
/NVIDIA
®
SLI
™
Conguration
A. System Requirements
- Windows 8.1/8/7 operating system
- A CrossFire/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
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series. Forthe latestGPU support information, pleaserefer to theAMD official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inthePCIEX16
andPCIEX8slots.Tosetupa3-Wayconguration,werecommendinstallingthegraphicscardsinthePCIEX16,
PCIEX8,andPCIEX4_1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-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.
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 Catalyst Control Center. Browse to Performance\
AMD CrossFireX
™
Conguration and ensure the Enable
CrossFireX
™
check box is selected. If your system have more
than two CrossFire cards, select the GPU combination you
wanttouseandclickApply.(Availablecombinationoptionsare
dependentonthenumberofgraphicscards.)