Hi Chris,
I haven't found it necessary to reset after every speed change. However, I
am careful to only shift speeds when there is nothing but the backdrop open.
It might be a little safer to reset when you change speeds. I haven't had
any trouble though with lost data or anything.
As Ed says on his overclock page, a great source for teeny switches is dead
PCMCIA Flash cards. The write-protect switch in there is perfect. I used
one of these when I redid the overclock. If you don't have any dead PCMCIA
cards to scavenge parts from, you can get surface-mount switches from
DigiKey or Mouser or other on-line electronics supply stores.
Acid-core solder should never *Never* be used for electronics. It's for
plumbing I think. The acid will eat away at the circuitry and cause damage.
Rosin-core is for electronics.
-Stephanie
http://www.felesmagus.com/newton/
> Hello all Overclockers,
>
> I saw a 5Mhz for 1,75Eur/$ and couldn't resist. Except from taking the old
> crystal off the board, it was easy. I am still looking for a nice, small
> switch.
>
> Is it recommended to do a reset after switching speed? Someone (I think Mrs.
> Stephanie) wrote earlier, that the Newton could run for some time without
> any crystal - then I guess a reset would be best to prevent problems.
>
> Let me recommend 220Mhz to everyone. You don't get a whole new Newton, but
> it feels much snappier. HWR is faster, and if I mark something I don't have
> to wait so long for the Newton to accept it. It simply feels good. Use a
> switch, so in any case you can switch back.
>
> Has anyone a stable Newton with more than 220? What is the next crystal? Is
> there a variable crystal (like 3-8Mhz) for experiments?
>
> Chris
> P.S.: Something I probably should have asked before:
>
> But what is the difference between rosin and acid core electronics solder?
>
> What is that parallel, 18-20pf. spec?
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