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My 57 inch samsung supports 240hz via DP, however MacOS and the 6950xt only supports 60hz at 7860 x 2160 via DP with HDR

Hello, any updates on your project?

https://dortania.github.io/OpenCore-Install-Guide/ktext.html#legacy-users Legacy booting… https://dortania.github.io/OpenCore-Install-Guide/installer-guide/mac-install.html#legacy-setup took me some effort to find the legacy information is a bit buried for further reference...

these machines do not support UEFI so I will need to educate myself on legacy booting

Okay, I understand. I will assemble the Pentium 4’s and Athlon 64 on the work bench, let’s get this party started.

https://www.newegg.com/compaq-presario-sr1820nx-student-home-office/p/N82E16883107200 https://theretroweb.com/motherboards/s/asus-a8n-la-r-1-xx

where do we start. I do have a Nvidia GT 730.

I also have an AMD Athlon x64…nothing like a single thread

any downsides to leaving secureboot as disabled?

I have a 6800 xt, what is the workflow?

this is right up my ally as I have a Pentium 4 system with pci-e

@Lorys89 made some specific patches for my setup. How similar are your specs?

I have been researching a similar issue…trying it now with my Trx50

For those interested, it is up and running. Fabiosun over at Macos86.it helped out with an SSDT https://macos86.it/topic/6630-gigabyte-trx50-installation-success/

Attached are three ZIP files: v01 Config.plist, System Report, and DEBUG LOG

I read over the AM5 guide again and looked at a few TRX40 configs. I am still stumped…will give it ago again soon…

I removed the string boot argument and receive the same result as earlier …must be something simple, always is, right?

Well I guessed and added string=0 to my boot arguments and disabled IOMMU in my bios…now I see the support.apple.com/mac/startup with the stop sign

I am in the process of adding the whitelist to Booter>MmioWhitelist I have 10 entires, 0-9, am following the format of the guide and am using an online hex to decimal conversion tool. Once I finish this, I will reboot and attempt a boot, I will then upload an updated config.plist and log. Well...

Attached is my debug log...I have not attempted the KASLR-FIX yet, however I do see the following in my log: 127:401 00:085 OCABC: MMIO devirt start 127:487 00:085 OCABC: MMIO devirt 0xE0000000 (0x10000 pages, 0x800000000000100D) skip 0 127:851 00:363 OCABC: MMIO devirt 0xF1300000 (0x100 pages...