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HD 6950 + El Capitan = heavy flicker instead of login screen


dreadkopp
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Hey Guys.

 

I've got a HD 6950 i'd like to get to work with El Capitan.

 

All the Threads for this card are a few years old and about ML/Mavericks, so here's a new one ;)

 

Why i got the card? Because it's deviceID is in the AMD6000Controller.kext and RadeonX3000.kext.

 

What i tried so far:

 

Inject ATI yes/no

Load vBIOS yes/no

FakeID all devIDs from AMD6000Controller.kext

All Framebuffers from AMD6000Controller.kext

 

 

So far i got mostly:

 

*heavy screenflicker (black/white lines) turning to a black screen while the machine is still accessible via ssh

 

*sometimes machine will become unreachable after screenflicker

 

*sometime reboots shortly after flicker begins

 

*2 times i got a screen but just at 1st Monitor, no acceleration, only 800x600

 

 

 

I really hope you guys can help me. 

 

Haven't begun to patch a Framebuffer yet. Which deviceID should i use with a patched frame buffer? (flicker but accessible/screen but no acceleration?)

 

 

Cheers

 

 

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