That EFI uses a looooot of kexts and ACPI tables. I think you do not need all of them Dropping DMAR is only necessary, when using an SSDT for usb port mapping which is not the case here. SSDT-PLUG is not needed on Monterey and newer and most definitely not needed when using CPUFriend. I have a repo for the T490 as well, if you want to compare: https://github.com/5T33Z0/Thinkpad-T490-Hackintosh-OpenCore I also think the guy who created his repo took a lot of info directly from my repo without giving credit.
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