SATA drives not detected at all

Hello,
I am trying to install macOS Catalina and no matter what I do, Disk Utility (I've also verified with
Code:
diskutil list
in Terminal) does not detect any SATA drives. AHCI is enabled in the BIOS.
I followed the Dortania OpenCore Install Guide.

I tried:
- a lot of kexts (SATA-Unsupported, CtlnaAHCIPort, AHCIPortInjector)
- resetting the BIOS and configuring it properly for macOS

Booting from or installing on USB drives works. I have attached the EFI folder.

Thanks in advance.

Author: gabi256