Zane writes:
Good luck. The only DSM-11 images I'm aware of
are in a tape format
for which to the best of my knowledge the software for reading was
never released. The rest I've never seen any sign of.
I seem to recall DSM-11 using DOS-11 type filesystems on tape and
disk. That was a long, long time ago, so my memory may be faded!
Tim.