On Feb 2, 2016 11:35 AM, "Mattis Lind" <mattisl...@gmail.com> wrote: > I now have concluded that the second disk is infact a disk for a > Tandberg TDV21xx machine. The TOS operating system is supposed to have > similarities to ISIS. The disk structure and the presence of files like > ISIS.DIR, ISIS.MAP etc among othes.
I wonder whether Tandberg licensed ISIS-II from Intel and modified the directory (and perhaps other stuff). I haven't ever seen evidence that Intel particularly tried to license ISIS-II to OEMs, but if one came knocking, they might not have turned them away.