Gigabyte GA-Z68X-UD7-B3 - Setup of ATI Crossfirex;NVIDIA SLI Configuration

- 19 - Hardware Installation
1-6 Setup of ATI CrossFireX
™
/NVIDIA SLI Conguration
A. System Requirements
- The 2-Way SLI and 2-Way CrossFireX technologies currently support Windows 7, Vista, XP operating systems
- The 3-Way SLI and 3-Way CrossFireX technologies currently support Windows 7 and Vista operating systems
- A CrossFireX/SLI-supported motherboard with two/three PCI Express x16 slots and correct driver
- Two/three CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
( Current GPUs that support 3-Way CrossFireX technology include the ATI Radeon HD 3800, HD 4800, and HD 5800
series and AMD Radeon HD 6950 and HD 6970 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, and GTX 580 series.)
- One/two 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 CrossFireX/SLI graphics cards on the PCI Ex-
press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 )
/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the two/three cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
(Note) The bridge connectors may be needed or not depending on your graphics cards.
C. Conguring the Graphics Card Driver
C-1. To Enable CrossFireX Function
For 2-Way CrossFireX:
After installing the
graphics card driver in
the operating system, go
to the Catalyst Control
Center. Browse to the
CrossFireX menu and
ensure the Enable
CrossFireX
™
check box
is selected.
For 3-Way CrossFireX:
After installing the graph-
ic s ca rd d ri ver in the
operating system, go to
the Ca tal yst C ont rol
Center. Browse to the
CrossFireX menu, select
the Enable CrossFireX
™
check box, and select the
3 GPUs combina tio n.
Click OK to apply.
For 2-Way/3-Way SLI:
After installing the graphics card driver in the operating system, go to the NVIDIA Control
Panel. Browse to the Set SLI and Physx Conguration screen and ensure Maximize
3D performance is enabled.
C-2. To Enable SLI Function
Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards. Refer to the
manual that came with your graphics cards for more information about enabling CrossFireX/SLI technology.