Quote Originally Posted by ownage View Post
So you can't overclock the GT's in crossfire?
That has probably something to do with the recognition of the name.
You could try to load an other driver, and select the 2900xt. It probably works. I did this trick with my x1900gt, and used the x1950pro driver. What tools did u use to try to overclock?

http://www.firingsquad.com/hardware/...ance/page6.asp
8800gt review but with 2900GT results to.

is there a problem with your pci-e its running at X8 instead of X16 i see on your gpu-z pics