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And NootedRed is incompatible with WhateverGreen, which the -wegnoigpu argument implies… You really should make up your mind and get rid of incompatible components.

Keep your kidney… (or at least get a Threadripper 7000 or EPYC system for the price)

Ouch!

So the CPU is fine but Ryzen 9000 will require a new version of OpenCore, and possibly of other kexts, to account for its new CPU family 0x1a. Can you provide @Shaneee with the log from his OC 1.0.2 DEBUG above?

Does it fail to boot Linux or Windows?

Thanks, now the last piece: An ACPI dump after BIOS update (OpenCore DEBUG, Misc>SysReport:true) BIOS updates can, and do, change ACPI tables.

Where do you see that "spoofing is not accurate"? Device-id ix 0x73bf and the macOS graphic driver attaches.

To contribute, please do as suggested in post #1 and post ACPI dumps of your board before and after the BIOS update. We do not have your board and "blocked at startup" is NOT sufficient to understand what could be the issue.

This is 6900 XTXH. And, as explained, you need to name a PCI bridge to apply device properties. Please put WEG back and try this SSDT in place of your SSDT-BRG0; it names the bridge and spoofs a 6900 XT.

What do you need to "fix"? A RX 6900 XT should be supported by macOS. If it really is a XTXH, spoofing a regular 6900 XT should be easier and safer than NootRX.

It is compatible with existing AM5 platforms, and X870(E) is apparently the same silicon as X670/B650, so it looks like BIOS updates could be the main issue.

Er… welcome. But you should be aware that EFI folders are motherboard-specific—and USB maps can even be case-specific, depending on which headers are plugged. So you're basically on your own. You may use an existing EFI as a starting point, but only you or someone with the exact same board as...

This is more a question for @Lorys89 , according to his thread on macos86.it. But if I got his explanations right, this should be it:

I'm surprised you can even go that far without SSDT-CPUR (or SSDT-PLUG-ALT). The various memory quirks are not fully in accordance with Dortania's guide (DevirtualiseMmio: true, SetupVirtualMap: false for TXR40), but the guide may not be up to date or the most accurate, and it may be that you...

One actually needs the full set of ACPI tables, DSDT and all the SSDTs. Since you're using a DEBUG version of OpenCore, just set Misc>Debug>SysReport: true This will drop the whole set of tables, together with a list all PCI devices and other goodies to peek through.

Click on "EXPAND ALL" +… https://rog.asus.com/us/motherboards/rog-crosshair/rog-crosshair-x670e-hero-model/helpdesk_bios/

On closer look, it's worse than I first thought. The USB objects under _SB.PCI0.GPP7.UPP0 which your SDDTs want still potentially exist under GPP7: In the new DSDT, their creation is now conditional upon various parameters (G002, G000, G003, G004). AMD may be preparing to introduce various tiers...

Yup. The DSDT has been restructured. Old version: New version: USB is now under GP17 and GP18; GPP7 has taken WiFi over. Need to re-do SSDTs for macOS. Have you posted your current EFI somewhere?

Ryzen 8000 with Zen 5 cores, in 2024 for desktops. And—you'll love that part…—hybrid architecture with a mix of Zen 5 and Zen 5c cores, at least for some mobile/console CPUs. Probably "Lenovo exclusive" for 6 months or so before being available at retail, like the 5000WX.

It requires a CH341A flasher, much preferably a model which works at 3.3V, and a SOIC8 clip. If you do need working Thunderbolt, take it as a $10 investment.