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8600 GT - QE/CI working but still laggy


smnhtkmpr
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Hi,

 

after a fresh install of 10.6 on my system and the succesful update to 10.6.7 my graphics card is causing some trouble... qe/ci is working but the animations (minimize a window to dock) are still laggy. efi strings don't seem to solve this problem. anyone an idea how to get rid of it?

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  • 3 weeks later...

I finally figured it out :P

 

It's beamsync that causes the issue (at least on my box). You can verify that by installing XCode (on the SL dvd), go to /Developer/Tools/ and launch Quartz Debug. Set Beamsync to disabled and et voila... :D

 

Just gotta work out how to disable it permanently...

 

edit: this just introduced horrible tearing :P for f*ck sake, this is driving me nuts :P

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Some kind of texture transport + sync problem.

Does you OC the PCI or Graphicsbooster (both in most BIOS available ) usage ?

Try to set 100 Mhz PCI fixed (or any other MHz little below 100 Mhz)

Also an must that the real MB of the card = show MB in the system profiler graphiccard. If diff also such problems.

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  • 4 weeks later...
I switched to Lion DP4 today and what shall I say. The card works again just fine with NVenabler64 :D

So I won't try anything more with 10.6.x ;)

In my case I had to disable AppleUpstreamUserClient.kext in order to get proper perfomance in both 10.6.x and 10.7

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