Altos Xenix System

I have acquired (someone dumped it on me) a really old Altos 486 (model, not cpu - 8085 or 86 I think) running a really early version of SCO Xenix. (Ver 3.0b). Seem to be non Y2K, but otherwise runs happily in it's whole 512k of ram. Not sure about the hard disk yet, probably 10mb or maybe even 5mb. Comes with a couple of terminals, one's an Altos III, the other looks identical but is a Wyse 50. Uses a funny multipin plug for the terminal keyboard. Anyone know how common these were around the place? Seems to have Multiplan and some kind of word processor and a database/inventory program of some sort. Belonged to some Electronic Parts firm near as I can figure out. I mentioned this system in passing about a year or so back, when I first looked at it for the owner, who wanted to use it, but he thought (not unreasonably for the uninitiated) that the 486 designation meant it was a 486 cpu. He took it away somewhat deflated, (bought at an auction for $30 - way too much) and I forgot about it. I did offer to take it off his hands at the time, but he declined. Well, he turned up the other day and dumped it plus a complete, genuine, working IBM XT with IBM CGA monitor and IBM Keyboard, plus a pile of C64 and other misc stuff. Seems he got sick of it laying about and remembered I was interested.....:^) I'm happy...... Cheers Geoff Roberts geoffrob(a)stmarks.pp.catholic.edu.au