What is a Heathkit H120?
chrism3667 at yahoo.com
Wed Dec 26 17:20:47 CST 2007
--- "Roy J. Tellason" <rtellason at verizon.net> wrote:
> Thinking back on that stuff, wasn't it one of those
> machines that used some
> rather odd memory parts for either the main RAM or
> the video? The ones I'm
> thinking of were half the normal capacity,
> presumably chips that failed on
> one side or the other but still had half a chip
> usable. I'm vaguely
> recalling something about how you had to match the
> ones you had so that they
> were all responding to the same addresses, either
> "upper" or "lower",
> something like that.
Uh not sure, but the IBM System 23/Datamaster has
redundant ram chippers.
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