IBM 029 Card Punch and ASCII Machines
paulkoning at comcast.net
Tue May 12 10:20:59 CDT 2015
> On May 11, 2015, at 11:56 PM, Eric Smith <spacewar at gmail.com> wrote:
> On Sun, May 10, 2015 at 1:06 PM, Johnny Billquist <bqt at update.uu.se> wrote:
>> I don't know how common card readers were, but I don't think any DEC
>> machines could punch cards.
> Almost all DEC machines up through early VAX supported card punch
> options. They just weren't very common other than on PDP-10.
> PDP-8: CP08
> PDP-10: CP10 (multiple variants) and CP20
> PDP-11 and VAX: CP11
Do you have any descriptions of that? I have not seen any mention of a CP11 in any peripherals handbook, nor in any OS. Was that a CSS product? Who built the punch engine? What sort of interface did it use?
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