WTB: DEC PC04 Paper Tape Reader/Punch
Marden P. Marshall
mardy at voysys.com
Fri Aug 15 15:52:13 CDT 2008
On Aug 15, 2008, at 4:27 PM, Tony Duell wrote:
>> I think the M840 is the PDP8 controller. I don't remember the
>> Unibus part
>> number, but I should have one.
> It is, that's why it's the PC8E (fits the Omnibus of the PDP8/e,
> The unibus controller is an PC11 (I forget the M-number). But the
> pumch/reader for that is a PC05, and contains rather more
> electronics than
> a PC04. It's possible to turn a PC05 into a PC04 by removing some of
> flip-chip cards (including the 3 'specials', addiong an M113 (I
> think) and
> doing a bit of wire-wrapping. I did this, having got a PC05, an PC8E
> interface, plenty of other Unibus paper tape readers and interfaces
> but no
> other paper tape system for the PDP8/e.
> What machine does the OP want to use it with? Going o nthe 'minimum
> number of errors to make it consistent', I assumed he simply meant
> rahter than Unibus, and wants the PDP8/e compatible one.
Yes, I did mean to say "OMNIBUS" as it is going into a PDP-8/e.
>> On 8/12/08, Marden P. Marshall <mardy at voysys.com> wrote:
>>> Does anyone have a DEC PC04 paper tape reader/punch that they
>>> would be
>>> interested in letting go? I'm also looking for the matching PC8-E
>>> UNIBUS controller card.
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