PDP-12 restauration in center Germany (J?rg Hoppe)

[Michael Thompson]

>
> Date: Sun, 10 Jan 2016 17:16:17 +0100
> From: J?rg Hoppe <j_hoppe at t-online.de>
> Subject: PDP-12 restauration in center Germany
>
> Hi,
>
> in case somebody needs companions for cross-tests or likes to exchange
> thoughts:
>
> A few month ago we bought a PDP-12 and are restoring she since then.
>
> There is no online-diary about progress (the maching is eating up all
> time), but see here:
>
> http://c-c-g.de/index.php?option=com_content&view=article&id=311:pdp12-gekauft&catid=100&Itemid=50
>
> The 12 is complete with no visible damages and has some undocumented
> add-ons (they always have).
> Especially a MOS memory extension was plugged off very soon.
>
> Luckily we could organize an 95% complete 2nd module set.
>
> After console exchange (we had indeed a 2nd one!) and much trouble with
> cpu logic,
> we can now execute opcodes with DO and FILL/EXAM the core memory.
>
> Contact me if you like to visit us, we're sitting near G?ttingen
> (between Kassel and Hannover).
>
> Joerg
>

Joerg,

Take a look at a picture of our PDP-12. It has a PDP-8/I next to it as in
your picture.
http://www.ricomputermuseum.org/Home/equipment/dec-pdp-12/dec-pdp-12-restoration/PDP-12_and_PDP-8I.jpg?attredirects=0

We also have MAI and Wang systems.

-- 
Michael Thompson