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Re: Atompro timing anomolies....

2007-01-23 by djbrow54

Actually, now that I look at my AtomPro28 photo in the photos section, 
I see they put a 1M resistor across the clock inputs.  You probably 
want to remove that also. - Dave


--- In ComputerVoltageSources@yahoogroups.com, "djbrow54" <davebr@...> 
wrote:
>
> You just replace the resonator with a crystal and two 12 pF 
> capacitors.  I've already replaced the power-on reset chip on my 
> AtomPro28 and I'm not ready yet to experiment on mine with more 
> unsoldering and modifications.  I suppose someone makes a nice pin-
> compatible crystal and capacitor module.  Section 5.1 of the 
hardware 
> H8 manual details the System Clock.
> 
> Dave
> 
> 
> --- In ComputerVoltageSources@yahoogroups.com, "Samppa Tolvanen" 
> <samppa.tolvanen@> wrote:
> 
> > I´d like to see the modification (a simple one, as it is) for xtal
> > timebase for one-too many Atompros.
> > 
> > This should resolve this timing problem and for those who like
> > Midi-clock, Dave has the answer.
> > 
> > Samppa (Who only drifts once in a while)
> >
>

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