14 Dec
2011
14 Dec
'11
6:50 p.m.
Fred Cisin wrote:
In the 1970s, there was one very popular UHF RF
modulator ("SupRMod"??) on
channel 34?
[...]
THAT RF mod'lator was probably responsible for
the standardizatioon on a 4 pin on Berg, with one
pin out as a key, on Apple][ and eventually on CGA.
That could be, although I thought it was the other way around, with the
four-pin header of the Apple leading to the use of four pin connectors
on modulators for home computers.