[GreenKeys] pdp 4 w/tty console ascii ? bcd? baudot? what say you Q

[Ed Sharpe via GreenKeys]

We have 2 straight 8  (one table one rack ) one 8s one 8m.  One pdp 11/20  one 11/03 dressed as heathkit   and looking for  some Dec logic trainers

Christian Gauger-Cosgrove <captainkirk359 at gmail.com> wrote:
>On 20 July 2014 23:32,  <COURYHOUSE at aol.com> wrote:
>> ok I also found the MAINT   manual....
>>
>Yeah, the BitSavers archive has a wealth of information on various
>bits of computer technology. Then again it is an off-shoot of the
>Computer History Museum, if I recall (well at least the site is run by
>Al Kossow one of the people at the CHM).
>
>The DEC and IBM directory trees are the largest two in the archive, if
>I recall.
>
>
>> well and  out of  54  made...  there is still a chance  one is in a
>> barn.....( DREAM DREAM DREAM!)
>>
>Well, that is pretty much how one of the only two IBM 1401 machines
>was found. In a garage in Germany. The other was in a basement in the
>US. One of the two has been restored to fully functional and runnable
>status, at the CHM.
>
>
>> thanks  for the  link  for  brochure   I will display it  with our 
>table
>> top  28KSR
>>
>> ok  from the manual...
>> Keyboard/Printer and Control type 650 The Type 65 is a Teletype Model
>28
>> Keyboard and
>> Printer, with an input and printing speed of ten characters per
>second.
>>
>> Paper Tape Punch and Control Type 75. The Type 75 is a Teletype BRPE
>Punch,
>> with an operating
>>
>> speed of 63.3 lines or characters per second. It punches eight-hole
>tape.
>> However, the
>> punch may be modified to punch five-hole tape or seven-hole tape, if
>desired
>> by the user 0
>>
>If I recall correctly the later 18-bit series PDP machines also used
>Teletype *RPE punches in their high speed tape punches. (I want to say
>the 7 used a BRPE, and the 9 used a DRPE, but I'm not sure.)
>
>
>On 20 July 2014 23:45,  <COURYHOUSE at aol.com> wrote:
>> this  looks  good..,
>> yea  our   table top looks  as  new  as the one  in the brochure.
>Thanks!
>>
>> Hey check that  CRT terminal  in the brochure... space age!
>>
>You have some DEC PDP series machine with a tabletop? Might I presume
>it's a "Straight-8" PDP-8? I assume the 8 because the other machines
>with tables are rather rare.
>
>Also, the rockin' DEC CRT is pretty iconic in DEC circles as it became
>the DECUS logo.
>
>
>
>If one is interested in trying out DECsys on a PDP-7 simulator (it
>works on the '4 sim, but not usably so due to reasons of character
>input), the singular DECtape image for it may be found here:
><http://simh.trailing-edge.com/kits/decsys.zip> SIMH itself in its
>newest and freshest version may be found at the GitHub where the
>project has migrated to:
><https://github.com/simh/Win32-Development-Binaries>
>
>In its newest incarnations SIMH can connect to an external serial
>port. As an exercise for the reader: Find a way to connect an actual
>Model 28 KSR to the console of the PDP-7 simulator.
>
>
>A less difficult exercise would be connecting an ASCII speaking
>Teletype to the simulator, or to a PDP-8, PDP-9, PDP-10, PDP-11, or
>PDP-15 simulator. (The only difficulty in this case being "Do I go for
>an RPi hidden in the base of the machine, or a freebie desktop sitting
>nearby?")
>
>
>Cheers,
>Christian
>
>-- 
>Christian M. Gauger-Cosgrove
>STCKON08DS0
>Contact information available upon request.

-- 
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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