MSI r6950 2GB crossfire, problems with MSI Afterburner

First of all, Hello!
I have 2 6950's, they are flashed with a modded 6950 bios and work Great.
The problem i have is that Ati's Control Center will only let you clock as high as 840-1325 Mhz, with either 1 or 2 in crossfire.
When i use Afterburner i am able to make the clocks higher, but only on 1 of the cards, what do i do to get it to work on BOTH of the cards when i activate the crossfire?
 
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