Re: ZIP 16Mhz?????

[ntt@cleese.apana.org.au (Jonathan Pratt)]

fmlin@netcom.com (Frank M. Lin) writes:
> >Money is no problem to me. Could you explain these "Crystals" a little more?
> 
> Just get a different speeds of crystal oscillators to play around with.
> The Zip you get may or maybe not work at full 16 mHz...  Play around with
> 15, 13.75, 12.5... etc.  They all do atleast 12 mHz.

hmmm...   Actually the zip requires a xcrystal oscillator which is four
times the speed of the processor  (the extra cycles are used for the
custom IC to determine whether the data is in cache or not).  So then you
need a crystal of 60 MHz to run your zip at 15 MHz (and so on).

cheers
ntt@cleese.apana.org.au