ATI CrossFireX Troubleshooting

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Note: When disabling ATI CrossFireX you will be given the option to restart your computer to restore the original graphics memory size or continue with the reduced memory size.

Card Reversal Recommended

A recommendation message to reverse the graphics card positions may appear if the master graphics card is not installed into the primary PCIe slot. Although ATI CrossFireX can be enabled, performance may be improved by reversing the graphics cards in the computer.

See your motherboard’s manual to determine which is the primary PCIe slot.

3D Client is Active

You will not be able to start ATI CrossFireX if a 3D application, game, or video playback, such as a DVD movie, is running.

Close all open 3D applications, games, and movie player applications, and then enable ATI CrossFireX.

ATI CrossFireX is Currently Unavailable

This error has occurred because ATI CrossFireX did not correctly detect your graphics hardware or there is a problem with the software.

Check that the graphics cards are installed correctly.

Check that the interconnect cable is installed correctly.

Close all running 3D applications.

Re-install the ATI Catalyst Control Center and drivers.

Screen Rotation is Unavailable

Screen rotation function does not work or is unavailable.

Screen rotation is not an available feature on ATI CrossFireX systems.

Video Displays Flicker During System Startup

This is normal during ATI CrossFireX start-up.

ATI CrossFireX Starts in Software Mode

This is normal when starting up for the first time after installing two ATI CrossFireX graphics cards if neither card is installed in the primary PCI Express® slot. You can change the ATI CrossFireX mode in the ATI Catalyst Control Center.

ATI CrossFireX Disabled After Swapping/Moving Cards

If you change the ATI CrossFireX configuration by moving the graphics cards to different slots on the motherboard, disable ATI CrossFireX and restore factory default settings in ATI Catalyst Control Center first. Once the cards have been

© 2007 Advanced Micro Devices, Inc.

ATI Radeon HD 3800 Series

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AMD HD 3800 manual Card Reversal Recommended, 3D Client is Active, ATI CrossFireX is Currently Unavailable