The Olarila Forum has a "Catalog" section. Search there for your specific hardware. Using a pre-made EFI folder for your exact motherboard model is the highest chance of success.
: They maintain one of the largest databases of EFI folders tailored for various chipsets (Intel and AMD), allowing users to find configurations that match their specific PC components. Community Support macos big sur olarila
Currently, you need the USB drive to boot. To boot without the USB: The Olarila Forum has a "Catalog" section