"Single instance" machines

From: Joe <rigdonj_at_intellistar.net>
Date: Thu Dec 10 19:10:06 1998

Tony,

  Do you know anything about the Tektronix 4096 plotters? I saw one the
other day. I started to buy it to add to my 4051 (it has the GP-IB interface).

   Joe

At 07:03 PM 12/10/98 +0000, you wrote:
>> >Any other PERQ-fanatics here? Any model of PERQ, I am not expecting 3a or
>> >T4 owners to appear :-)
>>
>> I have a feeling you would be the only person within our list and perhaps
>> most other computer collectors who has a PERQ. I never seen one, know very
>
>That depends on the group of collectors. There are a number of serious
>'PERQ-fantics' around, but for some reason, not many are on this list.
>
>> >You _have_ a Tek 31? Wow! I've heard of it (and the similar 21), but
>> >never seen one.
>
>[...]
>
>> Never heard of a TEK 31 myself 'till then. When I saw it I figured I had
>> better grab it since I felt it was a rather rare thing even back then. I
>> don't recall finding anything on it in my collection of older TEK catalogs.
>
>There was an article on them (21 and 31) in Tekscope when they came out.
>Alas I didn't rescue the pile of Tekscopes that I read that in - some
>other collector got them. I got the HP journals (including the one on the
>9100 ;-))
>
>[...]
>
>> Was the TEK 21 you mentioned above earlier than the TEK 31 or just
>> different in other ways?
>
>It came out at the same time. It was a simpler machine, I was going to
>say non-programmable, apart from the fact that I have a part number for
>an operating/programming manual for it. Maybe it didn't have all the
>'scientific' functions.
>
>>
>> >
>> >However, I do have the service manual for the 4661 plotter that goes with
>> >these machines. I'm not getting rid of it - I have a 4662 plotter and
>> >much of the mechanics is the same - but I can provide info from it.
>>
>> Are these plotters similar in concept to the 4331 printers? Used a special
>> thermal paper I think. Such printer could hang off my TEK 4015-1 graphics
>
>No, they're actual flatbed pen plotters.
>
>> terminal and print directly from the screen. The 401x series had an X-Y
>> analog plotter output for actual plotting.
>
>The 4662 is a normal (although not HPGL) GPIB or RS232 interfaced
>plotter. It was used with the 405x series amongst other things. The 4661
>was a similar unit with a 21/31 calculator interface (and totally
>different electronics).
>
>>
>> >
>> >Here is the pinout of the calculator I/O connector.
>>
>> Evidently in that service manual it mentions the plotter could hang off a
>> TEK 31, true? If so, then this is indeed the connector pinout for my TEK
>
>Yes. That's why I mentioned it. That should be the pinout of the
>connector on the back of the 31. Alas I don't have the 'interface
>specification' (I can find the Tek part number if you want to try to
>obtain it) for this machine.
>
>> >I have an incomplete (still missing the lights-and-switches board) Nova
>> >1210 here.
>>
>> Hmmm, I have to check but I *think* there is something about 1210's in the
>> DG Nova printset I have. I know there's schemas for the 1200 and 800
>
>I've got the schematics of the CPU + frontpanel. It's just a matter of
>finding time to make a PCB, etc...
>
>-tony
>
>
Received on Thu Dec 10 1998 - 19:10:06 GMT