[GreenKeys] Fanfold 8-level tape

[Ralph Irish]

Green-Keyers

I found two 'batches' of gray, fan-fold perforator tape in a box recently.  It was an old
computer kit box.  I've long since forgotten what it was/is.  Is there someone out there
who could run them and maybe determine what they are?  I should not need a print-out of
the contents, just some idea of what they are.

They were in a box that held the 'Music Kit' for my IMSAI computer.  There were a number
of other things in that box, so I have no particular reason to assume that one or both of
the perf tape items are related to the 'Music Kit'.  

This 'kit' consisted of a small PC card the width of the 100-pin S-100 motherboard jack.

There were two holes in this board.  One for a 'hot' audio lead and one for a shield.  The
'music' was created by turning the "Interupt Bus" on and off at different rates of speed.
This could be detected by an audio amplifier and it sounded like music, if you have a good
imagination.  

As I recall, one of the problems with this 'music' was that there were no silent periods
between notes.  It was always creating some sequence of notes until the 'song' ended.

Also in that box was a Prototype board.  A full-sized S-100 board with places for several
power supply regulators and lots of 'perf hole' area for inserting components and sockets
and whatever else.  

Any interest in these items?  I also have a couple of 16K memory boards and enough chips
to populate one of them.  Also, a Processor Technology "MIO" card.  This is  "Multiple-
Input/Output" card to drive a TTY or some sort of monitor or maybe an intelligent video
terminal, etc.  I did not finish it, or maybe did not even start it!.  There might also
be some kind of a parallel port on the card.

I can supply photos of any or all items to interested parties.

Thanks,

Ralph - W8ROI

PS   There is also an IMSAI 8080 computer with all 22 edge connectors mounted on the
     motherboard.

R


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