Pheatton

If remember correctly there is no way to disable xfire x2 card from running in crossfire mode.

that being said some games just dont like Corssfire. Im not saying that WoW is one of them but there are those games out there.



EDIT: Is the GPZ reading while the card is under load?

Sickened1

Sounds like you might need to do an RMA.

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DJZeratul

mine does that too...

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Black Magix

Settings: Demo(Ranch Small), 1920x1200 (60Hz), D3D9, Fixed Time Step(No), Disable Artificial Intelligence(No), Full Screen, Anti-Aliasing(None), VSync(No), Overall Quality(Ultra High), Vegetation(Very High), Shading(Ultra High), Terrain(Ultra High), Geometry(Ultra High), Post FX(High), Texture(Ultra High), Shadow(Ultra High), Ambient(High), Hdr(Yes), Bloom(Yes), Fire(Very High), Physics(Very High), RealTrees(Very High)

* Average Framerate: 39.04
* Max. Framerate: 56.62
* Min. Framerate: 29.47

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hellyea

Every 4870x2 does that, as far as I heard. You just need to normal-clock it.

slim123

So, let me get this straight....

With any X2 card you can enable crossfire?

I ask because my dad has a 4870X2, and would be great to know if this is possible

Slim123

Sickened1

from what they are saying with the 4870x2 no you can't. But I can with my 3870x2. Which really makes no sense.

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rxkevin

The 4870x2 has the Crossfire automatically activated I believe.

I think you can go into the profiles to disable one card, but regardless, it shoudn't have any effect in WOW which is what you are complaining of in your OP since WOW does not support dual gpu's.

Did you change anything else between your 4850's to the 4870x2? Any settings etc? I haven't tried any drivers after the 8.12 fiasco I had but a lot are claiming 9.2 to be a good set of drivers.

You can try a program called ATI Crossfire Xtension by AgentGod which is suppose to force CF for games that do not support it, but I haven't tried it yet.