Gigabyte GA-990FXA-UD3 Manual - Page 19

Setting up AMD CrossFireX - power supply

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1-6 Setting up AMD CrossFireX™ Configuration A. System Requirements - Windows 7, Windows Vista or Windows XP operating system - A CrossFireX-supported motherboard with two PCI Express x16 slots and correct driver - Two CrossFireX-ready graphics cards of identical brand and chip and correct driver - CrossFireX bridge connector(s) (Note) - 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 CrossFireX graphics cards on the PCIEX16_1 and PCIEX16_2 slots. Step 2: Insert the CrossFireX bridge connector(s) (Note) in the CrossFireX gold edge connectors on top of the two cards. Step 3: Plug the display cable into the graphics card on the PCIEX16_1 slot. C. Configuring the Graphics Card Driver To Enable CrossFireX Function: After installing the graphics card driver in the operating system, go to the Catalyst Control Center. Browse to Performance\AMD CrossFireX Configurations and ensure the Enable CrossFireX™ check box is selected and click Apply. (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. - 19 - Hardware Installation

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- 19 -
Hardware Installation
1-6
Setting up AMD CrossFireX
™
Configuration
A. System Requirements
- Windows 7, Windows Vista or Windows XP operating system
- A CrossFireX-supported motherboard with two PCI Express x16 slots and correct driver
- Two CrossFireX-ready graphics cards of identical brand and chip and correct driver
- CrossFireX bridge connector(s)
(Note)
- 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 CrossFireX graphics cards on the
PCIEX16_1 and PCIEX16_2 slots.
Step 2:
Insert the CrossFireX bridge connector(s)
(Note)
in the CrossFireX gold edge connectors on top of the two
cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
C. Configuring the Graphics Card Driver
To Enable CrossFireX Function:
After installing the graphics card driver in the operating system, go to the
Cata-
lyst Control Center
. Browse to
Performance\AMD CrossFireX Configura
-
tions
and ensure the
Enable CrossFireX
™
check box is selected and click
Apply
.
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.
(Note)
The bridge connector(s) may be needed or not depending on your graphics cards.