| Oh really?  
 After installing the bare driver, CCC will work if you add it later?  That's fascinating (and very strange ;D)! 
 
I would definitely love to see that guide. I'm trying things on my own today, but I doubt I'll be successful :P 
 Just succeeded with an ATI Radeon HD 6870, driver installation was a bit buggy (if BSOD or failed performance, uninstall & try again).  Reproduced success with 12.2 drivers, 12.3 I got working once but not since.  Usually have to install the driver first (custom not express) then after rebooting a couple times rerun to install CCC & other components. 
 I'll be posting a detailed guide on the wiki hopefully by this weekend, as well as a demo-video. On Thu, Apr 19, 2012 at 7:22 AM, Andrew Bobulsky <rulerof@xxxxxxxxx>  wrote:
 Hello List,
 Has anyone performed VGA Passthrough with a Radeon 6990 card?
 Secondary to that, has anyone done a crossfire setup on an HVM DomU?
 
 I'd like to run Xen on top of my desktop and put Windows into a VM,
 shuffling my setup around a little bit, but I'd really like to get the
 full VGA BIOS support that passthrough offers.
 
 Thanks,
 Andrew Bobulsky
 
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