For crouton, which is still tied to chromeos, absolutely not. All that's required is developer mode enabled. For a full, clean linux install, it varies device t

For crouton, which is still tied to chromeos, absolutely not. All that's required is developer mode enabled. For a full, clean linux install, it varies device to device, but is in general a bit more of a pain. There's a full list of compatibility on the arch wiki I believe.