David Knell writes :- > >What you want is Windows NT, which runs 16-bit (for want of a better >term) software in a virtual machine. You can then write a device >driver to emulate the dongle which you need for a bit of software, >and you're away. > >This is only easy to implement on dumb dongles - those which give >the same response every time to a given stimulus. I can, however, >now use OrCAD without having the damn thing fall out of the back >of the machine on a daily basis.. > >Dave You make this sound very easy, how do you go about writing a device driver ? Which bit of software do you mean ? Would you not have to know exactaly what procedures the dongle goes though before you can emulate it. Errol