Quote Originally Posted by Zytek_Fan View Post
Yep. I'm not going to agree that they used 3 GPUs, because the Phenom rig photographed at GC 07 had 2.

Anyway, ATi developed a way to where the workload is spread across the 3 GPUs, each card generates different parts of the images, then the data is transferred through the PCIe slot or CrossFire connector (can't remember which, but it's one of those) to the master card (the top card, not the master card with the stupid dongle) where the images are put together and sent to your monitor.
There are more pictures and later pictures with 3. And its transfered via the crossfire bridges. Not PCIe.