I had a need to be able to write 9100 floppy disks on a Linux box, and was able to get it working this weekend. This is a pretty decent way to move things from a modern machine to the 9100 if you don’t want to get a Gotek. Writeup here: http://atomized.org/blog/2018/12/17/handling-os-9-rbf-(fluke-9100)-floppies-on-linux/ -- Ian