Re: 128CR (fwd)

From: Raymond Carlsen (
Date: 2000-01-29 06:12:09

> > According to the C128/C128D service manual (which Marko just put into
> > the funet filesystem) the 2568 is the same as the 8568, except it
> > expects the clock input at CMOS levels, not at TTL levels like the 8568.
> Just looked, the service manual has another view of this, it is not
> clear to me whether the two chips are the same or above mentioned
> differences apply. But a CMOS version is listed in the SM.
     Is the information important enough for me to try a 8568 in that
board or the 2568 in my flat 128? How much risk?


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