Enabling Ati Crossfirex - AMD ATI Radeon HD 5850 User Manual

11. Reconnect any cables you have disconnected and plug in the computer
power cord.
12. Turn on the monitor and then the computer.
ATI CrossFireX must now be enabled using ATI Catalyst Control Center.

Enabling ATI CrossFireX

When the ATI CrossFireX configuration is detected for the first time by the
ATI Catalyst display driver, ATI CrossFireX support is usually enabled
automatically, and the best possible GPU combination is selected based on the
hardware configuration. If necessary, you can change the existing
ATI CrossFireX configuration using the following procedure.
ATI Radeon™ dual-GPU graphics cards are designed based on ATI CrossFireX
technology. As a result, ATI CrossFireX support is always enabled for such cards.
1. Based on the navigation system contained in the
ATI Catalyst Control Center window, do one of the following:
➭
➭
2. Click Configure.
3. From the Graphics Adapter list, select the graphics card to act as the display
GPU.
4. Select Enable CrossFireX™.
Note: The Choose from the following Rendered GPU combinations drop-
down list automatically populates with all available render GPUs based on
the selected display GPU. The list displays only GPUs that can be enabled
for ATI CrossFireX. Other combinations are not listed here but may be listed
on the CrossFire™ ▷ Diagnostics page.
5. From the list, select the appropriate combination.
Note: If the selected combination is not the most optimal choice for your
system, a message appears at the bottom of the page notifying you of this.
6. Click Apply.
In some configurations, when ATI CrossFireX is enabled, GPU Accelerated
Physics is automatically disabled for all cards in the configuration as are all
displays except the one used by ATI CrossFireX.
© 2009 Advanced Micro Devices, Inc.
Navigation menu—On the Graphics menu, click CrossFireX™.
Navigation tree—From the tree in the Graphics Settings tab, click
CrossFireX™.
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ATI Radeon™ HD 5850/5870