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Qualcomm Atheros AR9565 Wireless for OS X 10.8 - 10.14

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I managed to get it working on Catalina by copying the entire patched IO80211Family.kext from my Mojave volume into /System/Library/Extensions, replacing the Catalina kext.

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To run (previously supported) Atheros cards in Catalina:

1/ mount your system volume in RW mode through Terminal

sudo mount -uw /
sudo killall Finder

2/ replace Catalina's IO80211Family kext in /S/L/E by High Sierra 10.3.6's or Mojave 10.14.6's (keep a backup of the vanilla kext somewhere). I recommend High Sierra's 10.13.6.

3/ repair permissions and rebuild your cache

sudo chmod -Rf 755 /S*/L*/E*
sudo chown -Rf 0:0 /S*/L*/E*
sudo touch -f /S*/L*/E*
sudo kextcache -i /


Then, to run those normally unsupported AR9565 Atheros cards, replace the Atheros40 plugin kext of IO80211Family kext by the patched Atheros40 kext trough the script provided in post #1, i.e. follow the instructions posted there.


Edited by Hervé

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