What is a Heathkit H120?

[Chris M]

--- "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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