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@tr4c3r2k12 if you can put your system in signature try this exactly config.plist and see if it boots (do not change anything) if it doesnt boot play only with MMIO part (disabling /enabling them in a single way, only one at tries) for display problem, better to disable internal GPU via bios...

*About MMIO: https://macos86.it/topic/5511-let-talk-aboutdevirtualise-mmio-quirk-and-mmio-whitelist/ About SSDT: Search for SSDTTime by CorpNewt About DSDT: If below config helps to pass your initial hang check in verbose output if you see acpi errors, if so your DSDT needs some patching...

Hi! Your EFI misses two important part to configure well AMD x870 chipset 1) SSDT-Plug in ACPI section 2) MMIO whitelist area properly done for your MSI motherboard *3) your MSI board like other manufacturer could have the need to patch some acpi you should use a debug version for opencore and...

I'm writing again in this thread after doing several "experiments" with my new system and especially after adding my second GPU I had to move my broadcom wifi internally that I was previously using on a PCIEx adapter mapped the usb and everything work(ed) perfectly..or so it seemed to me...

@JohnFante Proihibit sign could be related to usb problems. did you do what i suggest some message ago about MMIO? You enabled 4 MMIO areas, have you tried to leave enabled only one (the second one in your MMIO list)? Opencore is not a problem and you could update from a release version to a dev...

yes you have to change also opencore.efi from debug to a non debug version and remove also -v bootarg from your config.plist (nvram section)

Mylo, dont take this in a wrong way but this EFI is a mess :) :) you use many kext and block for the app OCLP and also many stuff for Intel wifi But, your SIP is set to 0000000 So, which hardware are you using by now? I know your X570 motherboard, i miss all other components to understand...

@JohnFante if you like to use innie kext as before and you had success with my last EFI, enable it again usually i disable all not mandatory stuff to resolve booting problem ;)

i use Device Properties to bypass orange icon for internal drive you could try the same you could also try with external icons quirk I prefer Device Properties and use less kext i can

I meant if it doesnt work from when you updated to a new bios Try to see if dsdt needs some patches for new bios

have you updated your motherboard Bios?

I suggest to try to leave only the second mmio enabled and see if it boots fast If you have all stuff i see in your signature maybe some devices slow your boot

@Mylo i see your EFI in other thread in Sonoma it was working if i understood well is it always working in Sonoma, or now you doesnt boot any osx? if so, Have you updated your Gigabyte Bios? i see also you use DevirtualizeMMIo quirk and disableVariableWrite quirk they shouldnt be useful for...

A 265-9950x dual rx 6950xt 192Gb DDR3 4800 19.1.3 Studio (@fabiosun) Added my dual GPU benchmark

@JohnFante I used now your last working EFI backup This EFI couldnt work for latest OS for three main reasons New AMD kernel patches, new MMIO changed with latest bios you use and SecureBootModel setting Let see now i disabled some kexts for now till you will be able to pass that hang Edit I...

@JohnFante I am short of ideas to try I bypassed MMIO stuff using DisableVariable quirk and ACPI patches are there for your Gigabyte I am very curious to see your previous working config.plist with Sonoma (and old bios version if i understood well your message because it is weird we havent...

Yes A spoof and a ssdt bridge nothing else

Mmhhh now no ACPI error (it seems so) but no boot could you try this and if it is the same hang try to change only usb port you are trying to boot?

Using the same EFI only change this config.plist Let see if it does some good results :) Clean Nvram (as usual)

Johnfante, use this EFI you should see a different graphic in boot menu Let see if we win :) I used latest data from your SysReport folder and all the patches SSDTTime does for your system also used a minimal set of kext..if it will work then you have to add other kexts and map your USB port