What hardware have you run the UEFI version on? Can you assume that pretty much any computer these days provides UEFI firmware that supports ThoreauBASIC, or m

What hardware have you run the UEFI version on? Can you assume that pretty much any computer these days provides UEFI firmware that supports ThoreauBASIC, or might some computers provide only a cut-down UEFI that doesn't provide all the functions you need? Is there some way to investigate the UEFI implementation on any computer? Can you get to the UEFI shell on any computer somehow or is the UEFI shell a separate application you have to download from somewhere and install? I realize these questions are getting far afield from what you wanted to tell us about, but UEFI is still kind of a mystery despite being installed almost everywhere -- it's hard to find explanations about it.