> On Mar 12, 2025, at 2:39 PM, Christian Gauger-Cosgrove via cctalk
> <cctalk@classiccmp.org> wrote:
>
> Hello all,
>
> I'm curious, does anyone have any documentation on the CP11 card punch
> option? From the '91 Edited Option Module List and various iterations
> of the "Field Guide to QBUS and UNIBUS Modules" that it's:
> 1. A card punch,
> 2. A UNIBUS device, and;
> 3. It uses the M7824 board.
>
> I'm most particularly interested in if anyone has any programming
> information on it.
>
> Best regards,
> Christian
> --
> Christian M. Gauger-Cosgrove
> STCKON08DS0
> Contact information available upon request.
The 1975 option/module list shows CP11-UP to be a product from "Special
Systems, California", a "Punch interface for Univac 1710 card rdr/punch".
I had never heard of card punches for PDP-11 systems. I assume SSCAL is
something like CSS only more obscure. Most other DEC card punch products shown
in that list are CSS options, but there is another from SSCAL, the CP20-E which
is a controller for the Data Products 120 punch. Curiously, given the model
designation, the "used on" column says it's a PDP-15 peripheral. Both are
shown as being the work of Bob Edwards of SSCAL. The product status is "3 --
Custom build".
paul
