Setup Of Amd Crossfirex ™ Configuration - Gigabyte GA-990FXA-UD5 User Manual

1-6 Setup of AMD CrossFireX
A. System Requirements
- The 2-Way CrossFireX technology currently support Windows 7, Vista, XP operating systems
- The 3-Way CrossFireX technology currently support Windows 7 and Vista operating systems
- A CrossFireX-supported motherboard with two/three/four PCI Express x16 slots and correct driver
- Two/three CrossFireX-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, HD 6970 and HD 6990 series.)
- CrossFireX bridge connector(s)
- A power supply with sufficient 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 graphics cards on the PCI Ex-
press x16 slots. The following table shows the recommended configurations with two/three cards.
Recommended 2/3-Way CrossFireX Configurations:
PCIEX16_1 PCIEX16_2
2-Way
a a
3-Way
a a
Step 2:
Insert the CrossFireX bridge connector(s)
cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
C. Configuring the Graphics Card Driver
(Note) The bridge connector(s) may be needed or not depending on your graphics cards.
Procedure and driver screen for enabling CrossFireX technology may differ by graphics cards and driver version. Refer to the
manual that came with your graphics cards for more information about enabling CrossFireX technology.
Configuration
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(Note)
PCIEX8 PCIEX4_1 PCIEX4_2
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a
in the CrossFireX gold edge connectors on top of the graphics
(Note)
After installing the graphics card driver in the operating system, go to the
Catalyst Control Center. Browse to Performance\AMD CrossFireX Con-
figurations and ensure the Enable CrossFireX
lect the GPU combination you want to use. (Available combination options are
dependent on the number of graphics cards you install.)
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check box is selected. Se-
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Hardware Installation