Re: TI-H: TI-85 Schematic
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Re: TI-H: TI-85 Schematic
you probably know this already, but the graph link (ti) has a crystal in
it
jpollack@theonramp.net wrote:
>
> Sounds like a great idea, I give a rat's *ss.
>
> At 09:17 AM 1/19/98 PST, you wrote:
> >
> >Does anyone realize that Mel Tsai is working on mappin the schematic of
> >the TI-85??? It sounds like he's quitting because no one is asking for
> >it, but did anyone even know about it? I sure as hell would like to have
> >a look at the schematic. There may not be that much use for it, but it
> >would make many tasks easy, such as replacing the Resistor/Capacitor
> >circuit with a REAL quartz crystal Occilator and running the calc at
> >high, accurate frequencys. You could probably EMULATE RS-232 right from
> >the link port with a crystal! Also, it might be possible to improve the
> >link circutry for higher speeds. ROM upgrades may actualy be a
> >possibility (doubt it though due to dificulty). Just imagine! He said
> >once that he had much of it done. I've mapped circuit boards before, but
> >mapping something as small as a TI-85 is hell. Even if he isn't done, he
> >could atleast give out the work he does have instead of making us do it
> >all over again if we ever need it. If you want to see the TI-85
> >Schematic, LET HIM KNOW!!! I sure as hell want to see it. If anyone else
> >is interested, then let him know that there is _someone_ other than me,
> >who "gives a Rat's *ss about it," to quote him.
> >
> >If no one cares, then I'll drop it, but imagine the hardware that could
> >be done on it then!
> >
> >Put "TI-85 schematic" in the subject line so he sees it. He isn't on the
> >list anymore, so if you e-mail him, use his address. I forgot what it
> >was, but I'll also forward them if they are on the list or sent to me.
> >
> >Richard Piotter
> >richfiles1@hotmail.com
> >
> >______________________________________________________
> >Get Your Private, Free Email at http://www.hotmail.com
> >
> >
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