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13.3.2 can be installed, but it does not work

you'll have to make a manual mapping of usb ports in order to get closer to have a working sleep - by following the dortania usb mapping guide. If you make it and sleep still doesn't work, I might help

update: after 2 weeks of learning and experimenting, restart / shutdown / sleep finally works like a sharm. I never thought such basic features working will ever make me so happy.

which macOS you have on your ryzentosh? and what other versions of Parallels have you sorted out as not working? that version will not install, the support article is not helpful

here's how to rebuild Spotlight database - paste into Terminal: sudo rm -rf /.Spotlight-V100 if the above command is not working, you have to grant FullDisk Access to Terminal continue with these: sudo mdutil -i on / sudo mdutil -E / your drive should be reindexed within 15-20 min depending...

I think the problem you have is using the old version of SSDT-CPUR, that does not connect all cpu cores. use this one:

I'm done with the USB mapping. I think this motherboard might heave a front side USB-C port, but by case doesn't have a connector for that - I think so because there are some unused ports with lower values in the list. There's one "personality type" I could not try on USB-C port > an iphone or...

update: although I don't need Wifi, as for testing I tried installing the itlwm_v1.0.0_stable.kext + the Heliport app and wifi is working, but with poor performance. It's not a native support btw. Handoff and Airdrop not supported. So it was just a test, deleting these now.

update: I managed to get iMessages working the problem was that I overlooked the fact that it's not enough for the Ethernet to show up as en0. It also has to be 'built-in' ! So back to dortania 'Fixind Services' , found the PCI root of the network controller and appied the patch as by the...

hi, does restart / shutdown work for you without the need to turn off the PSU? I have a very similar MB > ASrock B550M ITX/AC

I did not change the Wifi card, actually I'm ok without Wifi, as latency over Ethernet is much better. It's the cheapest board in iTX size, I did not want to spend money unnecessary on board, but instead on CPU. I tried the AppleIntelWifiAdapterV2.kext as this board has an Intel AC 3168 chip...

CPU: AMD Ryzen 9 3950x Motherboard: ASRock B550M-ITX/AC GPU: Asus Radeon RX 560 OC 4GB Memory: 64 GB Patriot Viper Steel Kit (2 x 32) SSD: Sabrent Rocket Q 2TB NVMe cooling: Arctic Liquid Freezer II case: MetallicGear Neo Mini V2 - Silver PSU: Mars Gaming MPII550 750W Bootloader OC 0.6.2...

thank you very much! Another question: have you tried virtualisation via Parallels Desktop or vmware?

Hi, as I read the specs of this board the M.2 is on the back - do you have any heatsing on NVME, if yes what and how much space you have for that? A photo would be awesome. thanks!

Hi, have you tried sleep, and virtualisation with Parallels desktop or vmware?

Hi, have you tried to install Catalina?

Hi, does virutalisation work with Parallels or vmware?

Hi, any update about the sleep? Also your EFI would be very welcome or at least your SSDT / kext list. thanks!

I get the same error with Asrock B550M iTX/ac board with minor difference. Anyway you have to switch to OC 0.6 and use the B550 fix as a start - still not working for me with these.

unfortunately not all B550 boards work, seams like the SSDT-CPUR.aml is not a universal fix