Mumps on DEC systems - test-drb@ccmp.vtda.org

20 Sep 2009

On Sat, Sep 19, 2009 at 11:41 PM, Zane H. Healy <healyzh at aracnet.com> wrote:
...
  At 11:27 AM +0800 9/20/09, Wai-Sun Chia wrote:

 I'm doing a bit of research on Mumps history and would be glad to know if
 anybody has copies of the following:

 1. DSM-11 (which OS did it ran on the -11?) 
 I believe it was its own OS. 
Yes.  I worked with *one* 11/53 ("MIcroPDP-11") that had DSM on it.
It was assuredly its own self-contained environment (i.e., no RT-11
underneath, no RSTS, no RSX, no UNIX - just DSM from the moment the
boot block was read in.

...
 > 2. VAX/DSM
> 3. DSM for OpenVMS (Alpha)
> 4. DSM for Ultrix (MIPS or VAX?) 
Those are too "new" to be part of my experience.

...
 > If it can be run on SIMH, it'd be great!!

ISTR that there was nothing unusual about that MicroPDP-11 except
perhaps it had a 9track tape controller in it (not unique, but
certainly unusual in 1988-era PDP11s..
-ethan