Re: Zip GSX - Extra Components

[Polymorph <polymorph69@hotmail.com>]

On Nov 19, 1:17 am, Hugh Hood <hughh...@earthlink.net> wrote:
> Mike,
>
> Basically, these are a  series of mods that Zip (and later, others) did in
> the early days to power the CPU from the 12 volt line rather than the the 5
> volt line.
>
> Zip, by running the 12 volt line through some resistors and a voltage
> regulator, knocked the voltage down to about 5.6 volts so that a 65C816
> rated at 7 MHz could do 9 MHz. (at least for a while).
>
> I've been told that the new 14 MHz (redesigned by Sanyo for WDC) CPUs don't
> need the > 5 Voltage to run reliably at higher speeds, although the WDC spec
> sheets show that they'll take up to 6 volts, I believe.
>
> Hugh Hood
>

Thanks for the info Hugh! Your explanation makes sense.

So I'm guessing people (like myself) who have a newer 65816 do not
need these extra components? I'm wondering if you try and push the
14MHz 65816 past 14MHz whether this mod would be beneficial?

Cheers,
Mike