9. Fasten the graphics cards securely to the back panel.
10. Make sure the cables are not interfering with anything inside the computer (for
example, a cooling fan) and then replace the computer cover.
11. Reconnect any cables you have disconnected and plug in the computer power
cord.
12. Turn on the monitor and then the computer.
You can now enable and configure AMD CrossFireX support using the Control Center
software application. For more information, see Using the Control Center Software (p.
18).
3.3 Enabling AMD CrossFireX™
When AMD CrossFireX support is enabled, the best possible GPU combination is
selected based on the current hardware configuration. If necessary, you can change
the existing AMD CrossFireX configuration using the following procedure.
AMD dual-GPU graphics cards are designed based on AMD CrossFireX technology. As
a result, AMD CrossFireX support is always enabled for these types of cards.
1. Based on the navigation layout of the Control Center application window, do one
of the following:
➭ Navigation menu—On the Graphics menu, click CrossFireX™.
➭ Navigation tree—From the tree in the Graphics Settings tab, click
CrossFireX™.
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
AMD 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 AMD CrossFire™ is enabled, GPU Accelerated Physics
is automatically disabled for all cards in the configuration as are all displays except the
one used by AMD CrossFire.
AMD CrossFireX™ Technology 15
© 2010 Advanced Micro Devices, Inc. AMD Radeon™ HD 6750/6770
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