[Info-vax] What are the earliest DEC operating systems you worked with ?

Carl Friedberg frida.fried at gmail.com
Mon Mar 8 09:04:17 EST 2021


I was a physics undergraduate and allowed to play with a PDP1 (at the
physics department). I created an interface so data could be collected
online using an interrupt driven interface, replacing a paper tape punch I
had already built so the physics data could be collected, and then read on
the PDP1 paper tape reader. If I recall, the DEC system boards were too
expensive. I went to the Mill, they showed me their wave soldering machine
(among other jewels) and showed me how to order and assemble my own boards.
That way, I could create the exact computer logic I needed. I had those
boards manufactured, and they worked.

On Sun, Mar 7, 2021 at 6:50 PM Rich Alderson via Info-vax <
info-vax at rbnsn.com> wrote:

> Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>
> > What are the earliest DEC operating systems you worked with ?
>
> > For me, I started with a PDP-11 running RSTS/E V9.{something early},
> > then onto VAX/VMS V5.{something} and then onto Alpha VMS V6.{something}.
>
> > I have not touched any Itanium systems.
>
> Well, I started my DEC career on TOPS-20 v3A in 1977.
>
> I played a bit with RT-11 on a lab system in 1978 (speech synthesis class
> in my
> Ph.D program).  Don't know the version, whatever was current at the time.
>
> After starting to build the museum in 2003, I played with TSS/8, OS/8,
> DECSYS-7, Tops-10 v6.03A, RSX-15 and ADSS-15, VMS 6.2, and IAS.
>
> --
> Rich Alderson
> news at alderson.users.panix.com
>       Audendum est, et veritas investiganda; quam etiamsi non assequamur,
>           omnino tamen proprius, quam nunc sumus, ad eam perveniemus.
>
> --Galen
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