Wasn't there some bitsliced cpu variants ? I know there was the AT&T UNIX PC which was a 68010 + custom external MMU, but there was also a proprietry cpu version I ran into the trap of in a past life. Al. -----Original Message----- From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Brian Hechinger Sent: Wednesday, 28 November 2012 11:54 AM To: hecnet at Update.UU.SE Subject: Re: 3B1s and "old school" UNIX, was Re: [HECnet] US Seller with some interesting stuff On 11/27/2012 9:59 AM, Dave McGuire wrote: On 11/27/2012 09:28 AM, Brian Hechinger wrote: I know there was a Datakit adapter for the 3B2 and 3B20, did the 3B1 have such a thing? Not that I'm aware of. There's no connection at all between the 3B1 and the 3B2/5/15/20/etc family. The 3B1 is a 68K machine (68010). Ah, I just did a bit of research and I see what you mean. An unfortunate naming thing by AT&T. Boo! :) -brian