Thank you for the explanation. That is not really a problem, as there is information about drives known to work (you can reach it e.g. via Google). Also, USB pe

Thank you for the explanation. That is not really a problem, as there is information about drives known to work (you can reach it e.g. via Google). Also, USB pendrives are cheap, so just trying with pendrives you already have it is probable you find many already working properly.