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Radeon 7870 OC partially working


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#1
pixellegolas

pixellegolas

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Hi guys! I have some issues these past days when it comes to my build. I can successfully start osx with 7870 but I have no acceleration. Here is a screenshot with info from system to tell you a bit more. Sometimes when I look at info it says 7870 and sometimes it says 7XXXX. I try to combine graphicsenabler with both yes and no, tried some different aticonfig like hamachi etc.

 

 

lxa.png
 
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Do you guys have any pointers what to do next? I read somewhere about must having DSDT inject etc. I have never used DSDT before. The system works good except graphics.
 
I have theses specs:
 
ASROCK z77 pro
I5-3570k 3,4GHz
GIGABYTE 7870 OC 2Gb editition


#2
Devout

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What is exactly wrong? Do you have translucent menu bar? (You cropped it off the screenshot so I couldn't tell). Seems to me you have QE/CI, my 7870 1GHZ Tahiti 2GB is working fine under 10.9 DP2.

#3
pixellegolas

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Hi! Well the bar is not translucent what I know ( at work now) but everything is really really slow. If I have a homepage with a banner on it, the banner will blink and it's almost impossible to scroll. Going to youtube I can hardly scroll at all and everything blinks.

 

It says vram 2048 etc but seems its emulating everything



#4
pixellegolas

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I see now that I miss a kext called AMDframebuffer.kext. Can someone upload?



#5
Devout

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I didn't need to edit my kexts. Just boot up with GraphicsEnabler=no FBname=Aji ATIConfig=Aji ^^





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