User guide

3. Select the Enable CrossFire™ check box.
4. If your system has more than two ATI CrossFireX-capable graphics cards,
the Selecting a Slave GPU dialog appears where you must select the graphics
card that will partner with the Master GPU.
Note: Enabling ATI CrossFireX for the selected graphics card
automatically disables GPU Accelerated Physics for that same card.
12 ATI CrossFireX Technology
ATI Radeon HD 4800 Series © 2008 Advanced Micro Devices, Inc.