You could get universal OS. It seems to be much more compatible than DoorsOS for most apps and AMS versions. John David Ratliff jdratlif@cs.indiana.edu ------------------- > Doorsos does not work on my ams 2.05 ti-89. do they have an upgrade or is there a doorsos-compatible kernel that works for 2.05? > > > John David Ratliff jdratlif@cs.indiana.edu