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I've seen people say that his AMDCPU doesn't support tsc_adjust and can start Monterey, which may not be necessary, and there are other issues affecting it. I saw that when cpus=1 started, Hyper-Threading Technology was deactivated, and I was trying to get CPU 8 cores to deactivate...

As with my original EFI, if cpus=1 is not used, there will be kernel Panic. If cpus=1 is used, as shown in the figure, genericusbxhci.kext is required to enter the system

However, whichever SSDT-CPUR is used fails, so the effect of CPUR on cpus=1 is excluded

I checked SSDT-CPUR and found that some parameters are wrong, 0x00000400+0x10, the correct one is 0x00000410

Thank you, I tried, loading as shown in the picture, black screen restart

I have tried Middleman's SSDT-CPUR and Shaneee's CPU patch, but nothing worked. I did some tests, writing the CPU definition in DSDT, changing only one core, and got the following results The number of CPU cores is 0x00,0x01,0x02, and 0x03. As soon as 0x01 is loaded, there will be a kernel...

As for THE USB port mapping, I have customized the USB interface in system 10.15.7. What we need to solve is the kernel Panic caused by the installation of Monterey system in AMD notebook CPU. I know that there are several other AMD notebook CPUS that have such a situation.

Did you install Monterey or BigSur? Try using this EFI, installing Monterey may require cpus=1

You don't use cpus = 1, Monterey skip the kernel Panic?

I tried it and started Monterey stuck. BigSur installation is ok

HI, can you try installing Monterey? I wonder if Monterey will cause a kernel Panic when installed on other laptops with R7 5800H

I have tried many times, in fact, this computer does not need USB mapping, the number of ports and definition is correct, not exceeding 15, only need to change the name of XHC1 to XHC, I think it may be caused by the system bus affected by cpus=1, but genericusbxhci.kext miraculously makes it start

Welcome to help improve, I modified the device attributes of RX6600M in order to improve performance, and I tried the custom USB is invalid, I have to use the old GenericusbxHci. kext to complete Monterey startup, but all USB ports will fail, that is why BigSur is installed first

I have an IOReg file that saves BigSur

BigSur does not start successfully every time, there will be a probability of getting stuck in (IONVme or apfs_module), and it needs to be forced to restart several times.

I have tried many times, tscadjustreset. kext and Cputscsync. kext don't work, it seems they only support Intel

Thanks for your help, but failed again, unable to get rid of cpus=1, which was annoying

Use this guy's EFI and modify it slightly according to the Monterey-EFI I shared. It is not recommended to install Ventura for the time being. Wireless card and sound card are invalid...

Mine is 970EvoPlus and SN750, MACOS installed on SN750

The bad news, MacOS Ventuia still only runs on single-cpu cpus, removing cpus=1 results in a kernel Panic, despite all my efforts