14 Feb
2020
14 Feb
'20
6:08 a.m.
jnc(a)mercury.lcs.mit.edu (Noel Chiappa) writes:
So... in the early 1990s I was at a particular small university in Ohio
that had one of the last PDP11/70 running, I believe, RSTS/E in the
state of Ohio (or at least that is what the rumors were and what the
hardware support guy said once). While I honestly don't remember what
it was used for that PDP11 had a card reader for sure, and something or
other had to be doing the punching (I think I remember watching cards
get run though it once or twice). I very much suspect that it was the
PDP11 doing the punching, as nothing else at the university could have
done it, unless someone was punching them by hand. Along with the PDP11
the computer room had a Data General MV10000 and a DG MV4000 neither of
which dealt with cards. The PDP11/70 was used for the university
administration systems and activities.
I could probably find out how it was used (assuming my memory is not
faulty) if anyone was really interested.
--
Brad Spencer - brad(a)anduin.eldar.org - KC8VKS - http://anduin.eldar.org
From: Clem
Cole
I just don't remember seeing actual card
readers or punches on the
PDP-11s
I'm not sure DEC _had_ a card punch for the PDP11's. Readers, yes, the CR11:
https://gunkies.org/wiki/CR11_Card_Readers
but I don't think they had a punch (although there was one for the PDP-10
family, the CP10).
I think the CR11 must have been _relatively_ common, based on how many
readers and CR11 controller cards survive. Maybe not in computer science
installations, though... :-)
Noel
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