PDP-12 on eBay

From: Gooijen H <GOOI_at_oce.nl>
Date: Wed Jan 15 01:13:00 2003

Hi Chad / readers,

I am not sure either, but this is what I know for sure.
Before the merger SPERRY/Burroughs, Burroughs had a systems line
but I do not know anything about those. SPERRY had the 1100-series;
I programmed even assembly (MASM-1100) on those fine main frames.
After the merger, so now it is UNISYS, the 2200 came available.
It has a smaller footprint, lower power consumption, but is
compatible with the 1100. Compiled/assmbled programs from the 1100
run on the 2200 without any re-compilation.

I worked with the 1100 from 1990 to 1995, unitl I left the company.
Never had any contact to 1100's afterward.
  Sometimes I miss the "_at_ASG,T" and all other demand-mode commands
and the assembly language ... EXEC was (is?) a real good OS.

- Henk.

> -----Original Message-----
> From: Chad Fernandez [mailto:fernande_at_internet1.net]
> Sent: woensdag 15 januari 2003 6:24
> To: cctalk_at_classiccmp.org
> Subject: Re: PDP-12 on eBay
>
>
> Gooijen H wrote:
> > Later, somewhere around 1989, they introduced the 2200, the smaller
> > version of the 1100, but runs the same instruction set.
> > I vagely remember that the 2200 line was called the "A-series", as
> > there was also a "B-series" as a result of the merger of SPERRY and
> > BURROUGHS to the new UNISYS.
> > But, I am not sure. I left that company (and fine 1100) in 1990 ...
> >
> > - Henk.
>
> I'm not sure 100% sure either, but I recall differently (but
> only from
> reading). The 2200 was the Sperry's mainframe contribution
> to Unisys.
> The A-Series was from the Burroughs side.
>
> I don't remember hearing about any "B-Series". Do you mean
> the systems
> that ran Btos..... I think that's what it was called. I don't think
> they were mainframe class, but I'm not sure on that either :-)
>
> Chad Fernandez
> Michigan, USA
>
>
Received on Wed Jan 15 2003 - 01:13:00 GMT