V5-171 Posted October 28, 2019 Share Posted October 28, 2019 Has anyone got a Broadcom BCM57785 ethernet card working on Catalina? Up until now I have been using an old IONetworking.kext which had a modified AppleBCM5701Ethernet.kext in its plugin folder. Things got a little more complicated when Mojave came along. Support was dropped for my atheros wifi. Although putting the old Atheros kext in L/E got it working, that would kill my Ethernet. The answer was to use old versions of both IO80211 and IONetworking, then both worked happily. I have tried the same in Catalina but with no success. I can get wifi by putting the Atheros plugin in L/E but cannot get Ethernet. I'm not entirely convinced they are installing correctly, I have tried in R/W mode and chmod and chown and touched and rebuild caches with no luck. Anyone else using the same Ethernet with Catalina? Quote Link to comment Share on other sites More sharing options...
Administrators Hervé Posted October 28, 2019 Administrators Share Posted October 28, 2019 Re: wifi and Atheros cards, follow the instructions posted here: https://osxlatitude.com/forums/topic/11138-inventory-of-supportedunsupported-wireless-cards-2-sierra-catalina/ Quote Link to comment Share on other sites More sharing options...
V5-171 Posted October 30, 2019 Author Share Posted October 30, 2019 I got my ethernet working using FakePCIID.kext and FakePCIID_BCM577XX_as_BCM57765.kext installed to /S/L/E I then got my wifi working by installing my old IONetworking and IO80211 kexts to /L/E Quote Link to comment Share on other sites More sharing options...
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