Enabling Amd Crossfire - AMD Radeon HD 7990 User Manual

16 AMD CrossFire™ Technology
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 CrossFire support using the Control Center
software application. For more information, see
Software (p.

4.3 Enabling AMD CrossFire™

When AMD CrossFire support is enabled, the best possible GPU combination is
selected based on the current hardware configuration. If necessary, you can change
the existing AMD CrossFire configuration using the following procedure. For more
information, see the help system for the Control Center application.
1. Navigate to the AMD CrossFire Configuration page located under the following
groups:
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 CrossFire.
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 CrossFire. Other combinations are not listed here but may be listed on the
AMD CrossFire 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.
When AMD CrossFire is enabled, the GPU Accelerated Physics feature might be
automatically disabled for all cards and displays in the configuration except those used
by AMD CrossFire.
AMD Radeon™ HD 7990 Graphics
17).
➭
Standard View—Performance or Gaming ▷ Performance.
➭
Advanced View—Performance or Gaming.
Chapter 5 Using the Control Center
© 2013 Advanced Micro Devices, Inc.