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Old March 2, 2009, 07:40 PM
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Originally Posted by cadaveca View Post
We do have another thread here with a user with 4780 1gb cards that are not working, and I have seen a few other issues, seemingly all related to XFX cards.

As all 4800-series cards are recognized as "4800-series", there seems to be sone issues with Vista itself when mixing cards.

This is contrary to what ATI had previously with Crossfire, and even then, they do say that all 4850/4670/4870 etc, etc, should work in pairs, but for some reason this is not working fully.

So, if you plan to get dual cards, try to get the same brand as well, to avoid any issues.
Couldn't you just flash the BIOS and make the other card have the same manufacturer ID? Assuming they are both reference models of course. Or manually edit the BIOS accordingly if they are non-reference cards.
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