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.
Note: When ATI CrossFireX is successfully enabled, all display
devices, except the one used by ATI CrossFireX, will be disabled.
12 ATI CrossFireX
ATI Radeon HD 3800 Series © 2007 Advanced Micro Devices, Inc.