Topic Title: ATI Radeon HD 4870X2 Gpu Problem
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Created On: 11/05/2012 09:49 PM
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 11/05/2012 09:49 PM
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Joined: 11/05/2012


I'm new to this site and i joined in frustration and hope, that some people can help me and many others with this current problem regarding this Graphic card.

Ok, so! As we all know the 4870X2 has 2 Gpu's combined in 1 single card. Which again means it's a crossfire card, right? but why the heck won't my second GPU activate in games? I play a lot of World of Warcraft and i have terrible fps, like 20-30 fps in big environments, and i don't even have the settings adjusted up high. But i can understand that if my card just runs on 1 gpu and not 2.

Pc spec:
Power supply: Corsair HX 850w
Motherboard: Asus p5q
Cpu:  Intel Core 2 Quad Q9550 2.83ghz - oc`ed to 3.6ghz.
Ram:  OCZ PS2-6400 / 400Mhz - 4gb totall (will upgrade)
Graphic: ATI Radeon HD 4870X2 2gb - 10.3 Ati driver as of know.
Operation system: Windows 8, 64bit

I have tried countless things, and millions of different drivers. Disable that, enable this etc etc.. Nothing works.. Anyone who seriously have the knowledge to help? Or do i need to buy another card? 

Best regards
- Thomas 

Edited: 11/05/2012 at 10:00 PM by Tee:K
 11/06/2012 08:50 AM
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80 Column Mind

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Joined: 04/17/2008

Install the CAP's

AMD FX-8350 w/ Corsair H105, ASUS Sabertooth 990FX Gen3/R2, 8GiB G.SKILL DDR3-2133, XFX HD 7970 GHz Edition, 1TB Samsung 850 Evo, 256GB OCZ Vector, Creative X-Fi Titanium w/ Creative Gigaworks S750, SeaSonic X750, Corsair C70, HP ZR2440w, Win 7 Ult Ed x64
 11/06/2012 10:19 AM
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Caps? what? You mean the custom profiles? 

I tried installing the 12.6 (newest driver) and it has a lot of profiles included in the pack, but i don't see any fps changes when i try them. I don't see fps changes when i even try to disable the Catalyst A.I.. I ran GPU-Z and it crearly says that both gpus (crossfire) is enabled, but in wow the second gpu has Zero avtivity and load..  

 11/06/2012 12:54 PM
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Alpha Geek

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Joined: 07/13/2009

CAP = Crossfire Application Profiles

Beyond that, you must be running the game fullscreen.  Crossfire does not work in windowed mode.


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