Chapter 4
AMD CrossFire™ Technology
Note:
AMD CrossFire™ Technology features are available only for systems installed
with more than one compatible AMD Radeon™ graphics cards and are intended for
applications running in full-screen mode.
4.1 AMD CrossFire™ Overview
AMD CrossFire technology is designed to enhance the graphics quality and
performance of 3D games and applications by combining the processing power of two
or more AMD Radeon graphics cards, essentially creating a multi-GPU performance
gaming platform. A typical AMD CrossFire setup involves two graphics cards.
For more information, visit the AMD CrossFire technology Web page at
http://
sites.amd.com/us/game/technology/Pages/crossfirex.aspx
.
4.2 Installing Additional Graphics Cards for
AMD CrossFire™
Before installing an additional graphics card, make sure that your system meets the
recommended system requirements for AMD CrossFire technology. If needed,
consult your system builder or OEM to confirm that your system has an adequate
power supply.
Each AMD Radeon™ R9 285 Series graphics card must be separated by at least one
empty expansion slot. For installation instructions, see
Installing the Graphics Card (p.
3)
.
4.3 Enabling and Configuring AMD CrossFire™
Once all your graphics cards are properly installed, you can begin enabling and
configuring AMD CrossFire technology support using the
AMD Catalyst™ Control Center software application, which is a component of the
AMD Catalyst software engine that can be downloaded from the Drivers and Support
page at
http://support.amd.com
.
AMD CrossFire settings can be found on the
AMD CrossFire
page, which is located
under the
Gaming
and
Performance
groups in both the Standard and Advanced views
in AMD Catalyst Control Center.
When AMD CrossFire is enabled, the graphics processor in one of the cards acts as the
primary processor; this card is known as the primary card. Graphics-rendering tasks
are shared between all available processors to accelerate displays that are connected
©
2014
Advanced Micro Devices, Inc.
AMD Radeon™ R9 285 Series Graphics
