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TL-WN851ND on Mountain Lion


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I've tried a number of different kexts for the Atheros AR9287 chip in the TL-WN851ND card on Mountain Lion, and many have worked (http://www.osx86.net/view/3006-ar5b97_-_ar_9287_mountain_lion.html)... temporarily. They cause intermittent kernel panics a few minutes after I boot, so I can't keep them. Has anyone found a solution that works permanently under ML with this wifi chip? Alternately, is there a reason why these kexts tend to work for a while and then kernel panic? Is there anything I can patch to fix the issue?

more information about my build...

OS 10.8.0

Gigabyte GA-Z77M-D3H-MVP

EVGA GeForce 550 Ti

Core i5 3570K

8GB Crucial RAM

1TB WD Caviar Green

120GB SanDisk Extreme

ThermalATA Armor A30 Gamingcube

Thanks in advance!

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  • 2 months later...
Gday i have that same card and i only use a single kext and has worked since 10.6.7 would you like it? it never KP on my system and im on 10.8.2...for now do you have an email address i can send it too? as files over 1mb are not allowed to be uploaded.


Hi Guys

I have been struggling for a loong time getting ML on my GA-Z77M-D3H

I see her, that obviously you have succeded in that matter. - I can´t seem to find any guide/system that works. Tried the lot.

What is your approach ??? Appreciate guidance :)

Regards Erik


Core i7-3770 3.4 GHz

Geforce GTX 650 Ti

4 GB

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Hi Guys, I have the same card as you and I have the same problems, I have done work with cpus = 1 and the card works fine, I have yet to understand why it does not work with all cores of the i5 ivry bridge greetings and hope you Sirba my answer, and forgive my English...

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