Models recommended for Coreboot are old ones. You can't get it on newer ones or can't even edit the UEFI/ACPI tables on them because firmware is a) signed b) on

Models recommended for Coreboot are old ones. You can't get it on newer ones or can't even edit the UEFI/ACPI tables on them because firmware is a) signed b) on SMD nvram making it pita to flash