Ohio Scientific Challenger 4P/MF

[Vintage Computer Festival]

On Sat, 31 Jul 2004, Bill Sudbrink wrote:

> That looks about right but to avoid confusion, it should be noted that
> in the factory configuration only pins 2, 5, 6, 11 and 12 are used.  2
> goes to the rear mounted pot for color adjustment, 5 and 6 to video out
> and 11 and 12 to AC CONTROL (which I think is an early form of X10
> appliance control).

That makes sense.  A lot of X10 products were either built for or
integrated into computer products in the late 1970s and early 1980s.  I
have examples for Radio Shack, S-100, OSI, and maybe one other platform.

-- 

Sellam Ismail                                        Vintage Computer Festival
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