Rhett Creighton wrote: > > I have built the $5 parallel link. It works great for transfering > programs. My calculator has a rom version 10.0, and I have tried to > transfer the correct z-shell to it. But for some reason, when I try > to run z-shell, it locks up my calculator. Does anyone know why this > might happen? > > Thanks, > Rhett Creighton You can't just copy Z-Shell files on your TI-85, you have to use memory backup to install Z-Shell.