386BSD 0.0
From Computer History Wiki
So far I just found out that 386 BSD 0.0 runs on VMWare Fusion on OS X enough to run the floppy. I'm running into issues with the hard disk, with constant errors of:
wd0: Format error in bad sector file
Which I'm thinking ties back to geometry.
I'll have to find a way to nicely re-create a Connor disk that has a disktab for 386BSD to make a 'like like' install, which didn't work. I think the only way out will be to make some disks, and boot it on a real pc with a hard disk that I've used to image Xenix and see if any emulator will load the disk image.