[TUHS] pdp11 question

Wilko Bulte wkb at xs4all.nl
Sun Nov 14 19:51:58 AEST 2010

Quoting Warner Losh, who wrote on Sat, Nov 13, 2010 at 06:59:46PM -0700 ..
>  On 11/13/2010 18:03, Larry McVoy wrote:
> >Back in the day there was something called a microvax and I think there
> >was a micropdp - it was a tall slim thing.  Might google that.

BA23 box.

> The MicroPDP11 was in more or less the same form factor as the MicroVAX 
> I and II (also marketed as VaxStation I and II).  It was also known as 

Well, sometimes.  BA23 box was used for VAXstations, but there was also the
BA123 box, which looks more like a dogs house.  

Both my BA23 11/73 and my BA123 MicroVAX are in my storage downstairs
otherwise I would make some pictures.

> something like the PDP 11/73.  A lower-end version was the Digital PRO 
> 350 and 360.
> I don't know if any of these ran Unix or not, but you might look into 
> them.  A few years ago, the PROs were really cheap and used about the 
> same power as a PC from 1985.

The PRO series ran P/OS (really.. weird acronym).  I think there used to be
an Ultrix variant for them too.  Never used that, did use P/OS while I was
at DEC in the late 80s for my graduation work.

Pro350 was an 11/23 CPU (F11??), the Pro380 was an 11/73 CPU (J11?)


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