Chapter 5

Chapter 5:

Multiple GPU technology support

5.1ATI® CrossFireX™ technology

The motherboard supports the ATI® CrossFireX™ technology that allows you to install multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in this section.

5.1.1Requirements

•In Dual CrossFireX mode, you should have two identical CrossFireX-ready graphics cards or one CrossFireX-ready dual-GPU graphics card that are ATI® certified.

•Ensure that your graphics card driver supports the ATI CrossFireX technology. Download the latest driver from the AMD website at www.amd.com.

•Ensure that your power supply unit (PSU) can provide at least the minimum power required by your system. See Chapter 2 for details.

• We recommend that you install additional chassis fans for better thermal environment.

•Visit the ATI Game website (http://game.amd.com) for the latest certified graphics card and the supported 3D application list.

5.1.2Before you begin

For ATI CrossFireX to work properly, you have to uninstall all existing graphics card drivers before installing ATI 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, 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, select Uninstall.

5.Turn off your computer.

ASUS P8B75-V

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