AMD Radeon HD 6990, User Manual

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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 Chapter 5 Using the Control Center
Software .
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. For more
information, see the help system for the Control Center application.
AMD dual-GPU graphics cards are designed based on AMD CrossFireX technology. As
a result, AMD CrossFireX support is always enabled for such cards.
1. Navigate to the AMD CrossFireX Configuration page located under the following
groups:
➭
Standard View— Performance or Gaming
▷
Performance .
➭
Advanced View— Performance or Gaming .
If you are using an AMD FirePro™ graphics card, navigate to one of the following
pages instead:
•
Standard View— AMD FirePro
▷
Graphics Performance
▷
AMD
CrossFireX Configuration
•
Advanced View— AMD FirePro
▷
AMD CrossFireX Configuration
2. From the GPU selection menu at the top of the page, select the desktop associated
with the GPU that you want to use as the Display GPU.
3. 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 AMD CrossFireX Diagnostics page.
4. 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.
5. Click Apply .
AMD CrossFireX™ Technology 21
©
2011 Advanced Micro Devices, Inc. AMD Radeon™ HD 6990