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Well... Apple Sillicon is an ARM arquitecture based on A72, Nvidia purchase ARM, then control the licensing of ARM to Apple... sound interesting

Is not posible use the kext in /Libary/Extensions, Catalina 10.15.3 request a valid digital signature on each (AppleALC.kext, Lilu.kext, etc) Whe you put in /Library/Extensions and use: sudo kextcache -u you see this: Kext with invalid signatured (-67062) allowed: <OSKext...

I Update and clean install to Catalina 10.15.3 and the Realtek ALC887 dosen't work. Is not posible use the kext in /Libary/Extensions, Mac OS request a valid digital signature on each (AppleALC.kext, Lilu.kext, etc) Any idea how make a valid signature on the kext's ?

sudo spctl --master-disable sudo mount -uw / sudo killall Finder

I use a Fusion drive with APFS: $ diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *240.1 GB disk0 1: EFI EFI...

s/perditions/permissions/g the problem is... sudo mount -u -o rw / dosen't work in any mode root file system is read only and deny any write to the system

The TP-Link TL-WDN4800 N900 doesn't work on Catalina, I try the fix from Mojave (IO80211Family.kext) but Catalina put all the system folders in read-only, in try to change perditions without success.