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Hey everyone! Apple just issued Catalina update 10.15.6, I haven't updated yet, anybody did? Cheers!

@hellowe : In the BIOS settings, make sure the USB 3.1 power/charge mode is enabled! This did fix a lot of issues I had with my audio interface. Also make sure you have SSDT-USBX.aml.

Quick update, for reference. I use a high-end audio interface and always had glitch/buffer underruns issues with Clover, and it was the case with OpenCore too. Today I found out I was missing the SSDT-USBX.aml . All glitches are gone now, the interface works perfectly, so it was an USB power...

@hellowe Try using the CleanNvram.efi tool before proceeding to the installation

Updated to OC 0.5.9 and 10.15.5 Supplemental Update 1 without any issue.

Thanks a ton @seevolas ! I just integrated your AML/Kext/OC Config.plist patches and everything is working on point! Excellent! Now I'll update to 10.15.5! Have an excellent day and again, thanks for your help! Cheers. Update: upgraded successfully to 10.15.5!

Hey everyone! Out of curiosity @seevolas -- what ACPI patches are you using right now in your setup? The USB mapping is quite a process so I am wondering if you could use yours, just to try out. Apart from that my workstation is running flawlessly! Thanks again. Have an excellent day, Cheers!

Excellent, thanks for all the clarifications @seevolas! I initially did follow exactly the guide but for some reason I could never get past this PCI issue. Right now the system is super stable, I fixed the iService, and gonna start working on the proper USB mapping too. Very happy with the end...

Hey @seevolas ! Wow, amazing work, really! It works! I followed exactly your steps, I just changed DevirtualiseMmio to FALSE and set IncreasePciBarSize to NO as suggested. Just wondering what you had to change in order to fix my previous issue(s). Again, amazing job, thanks a TON for your...

Hey @seevolas! Thanks for your help. I just made a fresh dump using Clover F4 option. I attached the SSDT-EC generated by SSDTTime, and the one I manually fixed using the OC ACPI EC guide. Cheers!

Hey @hellowe! Did more testing and fixing and the installer gets stuck at the EXITBS/+++++++ signs. I am definitely running out of ideas here, either with OC 0.5.8 / Clover! My BIOS is setup using kgp's Mojave guide (non-OC). Right now the further I can get is with OC 0.5.8, getting stuck after...

Hey @seevolas and @hellowe! Thanks a bunch for providing the Clover and OC 0.5.8 EFI folders. I made sure to double-check everything and fix the SSDT-EC.aml on both with the one I generated by hand and with SDDTime. No luck. The further I could get was with @hellowe 's EFI Clover directory...

Hi everyone! I am currently in the process of migrating to OpenCore (0.5.8) for Catalina 10.15.4 and up. Currently in the same boat as @hellowe as the installation process stops around [PCI Configuration Begin] Relevant information: - ASUS X99-A-II / i7-6900K (Broadwell-E) - Latest BIOS...

Hey! Following up @kgp guide for installing Mojave on X99 systems, I am wondering if anybody managed to upgrade their X99 system with the official Catalina release? Thank you! Cheers.

Damn, maybe it's time for me to upgrade. I'm not a gamer though, I probably will get a entry-level GPU.

Hi everyone! First, thanks to @kgp for putting so much efforts on maintaining this project. I carefully read every post. I am currently running Sierra 10.12.6, everything works amazingly well, and it has been the case since May. This last week-end I tried to upgrade my workstation to High...

Thanks guy, I ordered one. Hopefully this will fix the audio problems.

Using native macOS driver, latest driver version, latest firmware version too. The problem is not entirely caused by USB file transfers but by any kind of USB activity while audio is playing.

That's worth a shot! Which one would you recommend?

Hey @kgp! I tried all ports, the audio interface is USB2.