Clicking OK to the memory mismatch error message will restart your computer.
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 Troubleshooting 17
© 2007 Advanced Micro Devices, Inc. ATI Radeon HD 3600 Series