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ASUS M5A99X EVO R2.0
6-1
Chapter 6
Multiple GPU support
6
6.1 AMD
®
CrossFireX™ technology
The motherboard supports the AMD
®
CrossFireX™ technology that allows you to install
multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in
this section.
6.1.1 Requirements
In Dual CrossFireX mode, you should have two identical CrossFireX-ready graphics
cards or one CrossFireX-ready dual-GPU graphics card that are AMD® certied.
Ensure that your graphics card driver supports the AMD CrossFireX technology.
Download the latest driver from the AMD website (www.amd.com).
Ensure that your power supply unit (PSU) can provide at least the minimum power
required by your system. See Chapter 1 for details.
• We recommend that you install additional chassis fans for better thermal environment.
• Visit theAMD Game website (http://game.amd.com) for the latest certied graphicsVisit the AMD Game website (http://game.amd.com) for the latest certied graphics
card and the supported 3D application list.
6.1.2 Before you begin
For AMD CrossFireX to work properly, you have to uninstall all existing graphics card drivers
before installing AMD CrossFireX graphics cards to your system.
To uninstall existing graphics card drivers:
1. Close all current applications.
2. For Windows XP, go to Control Panel > Add/Remove Programs.
For Windows 7/Vista, go to Control Panel > Programs and Features.
3. Select your current graphics card driver/s.
4. For Windows XP, select Add/Remove.
For Windows 7/Vista, select Uninstall.
5. Turn off your computer.
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