Just jumping in, hope it's OK-have an SK76 and an S3T-I agree with Dave-I have created many disks for both, including OS disks, and running a DOS window in XP for creating these doesn't seem to work-not sure why-but does work on an older laptop with Windows 98. there is probably a way to set up XP to run a DOS program to make the DOS programs work, but it's just as easy to use an older machine to do this-I have problems with both teledisk and imagepro in windows XP-both DOS programs to create GEM disks. Both work in windows 09. Hope this helps.