> > There's also a small ASIC (well, Lattice calls it something else but it
> >sure sounds like an ASIC to me),
>
> If this is a PLD (or indeed an ASIC) it could do almost anything, including the
> watchdog function. If you can find the reset signal on the CPU it should be
> possible to determine what other devices are connected to the same trace,
> assuming there aren't any in BGA packages or the like.
PLD, that's what they called it.
Yeah, i might be willing to try and trace out from the reset pin.
> >investment in a watchdog is, so, I'm not sure what to look for. I mean,
> >if I started cataloging ICs and found one that phillips identifies as a
> >watchdog, sure, but, that sounds so unlikely it's silly.
>
> Well, people like Maxim do make chips which do precisely that; they handle
> power-on reset, watchdog, and brownout protection.
Interesting. It shouldn't take too long to catalog the various
chips, if i have a few hours on my hands some day.
> > I suppose we could try something drastic like severing the reset pin on
> >the cpu. Real hacking starts with an x-acto knife, yaknow ;-)
>
> Unfortunately that would probably stop it starting up at all. :-) But if the
> watchdog is a discrete part, you may be able to sever something that will
> de-fang it.
*nod* point taken.
- Eric
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