[GreenKeys] Teletype machine values...

[Christian Gauger-Cosgrove]

Actually, DEC did sell a modified M35.

Problem is, they only sold it as an option to some of their larger
machines, I believe. It can be confirmed that they sold the Model 35
with the PDP-15 (and XVM-15 version of it), by referencing one of the
many manuals*. I'm notsure if they sold it with other machines, but
I'm going to assume they reserved the Model 35 option only for the big
machines like 9s, 15s, and 10s. A "small" machine like the 8, 11 or 12
wouldn't need such a "heavy duty" teleprinter. And by the time the 11
reached the large scale of the 9 and 15, VT-<blah> and DECwriters were
the norm; even the 8 went to video terminals (VT-52 on the 8/A).


Fun Fact: You can also thank DEC for the ass-backwards naming of
teletype machines by classic computing hobbyists (calling a 33ASR an
ASR33); which they started by calling the 28KSR console of the PDP-4 a
KSR28.**


Cheers,
Christian



* = The PDP-15 install manual shows the original four PDP-15
configurations including a Model 35 KSR, there's also a nice
photograph of a PDP-15/30 with a KSR 35 as the operator terminal:
http://bitsavers.org/pdf/dec/pdp15/DEC-15-H2AB-D_PDP15install.pdf
** = Here's the evidence, the 1963 brochure for the PDP-4:
http://bitsavers.org/pdf/dec/pdp4/F-41D_PDP4brochure_Sep63.pdf


On 23 September 2012 22:23, Jim Haynes <jhhaynes at earthlink.net> wrote:
> Oh, certainly, but the M35 doesn't have the modification made by DEC
> to work with their minicomputers.  They only used M33 ASRs
>
>
> jhhaynes at earthlink dot net
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