http://www.embeddedarm.com/news/netbsd_toaster.htm

It has long been regarded that the UNIX-like OS NetBSD is portable to every type of machine except perhaps your kitchen toaster. Technologic Systems, however, has conquered this last frontier. Using one of its rugged embedded TS-7200 single-board computers housed inside the empty space of a standard 2 slice toaster, Technologic Systems has designed a functional NetBSD controlled toaster.