--- der Mouse <mouse_at_Rodents.Montreal.QC.CA> wrote:
> > The last board is a 919 UNIBUS connector with long cable connecting
> > into another drawer. That one is a backplane of unknown nature...
>
> Quite likely. I know in years past, I worked with a unibus VAX that
> had a drum transparency scanner attached... looked like unibus backplane
> that had been completely rewired (or perhaps it started as bare card-edge
> connectors and calling it _re_wired is inappropriate :-). There were a
> half-dozen or so boards that had to be plugged into this special
> section of backplane, each in the right slot.
>
> It wouldn't surprise me a bit if your framebuffer/digitizer was done
> similarly.
A friend of mine built a framebuffer for an 11/780 like that in the late
1970s or early 1980s at Cranston-Csuri Graphics - 1 or 2MB of small RAM
chips and miles of wire-wrap wire. They did lots of sports animations for
grabbing your attention in commercials and between-segment spots as well as
the rotating wire-frame building at the start of "Overdrawn At The Memory
Bank", a Canadian production starring Raul Julia. The building is the
Huntington Bank building in Downtown Columbus, OH.
-ethan
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Received on Tue Jan 29 2002 - 13:16:18 GMT