Re: A83: Inside the TI-83
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Re: A83: Inside the TI-83
I think that the lcd driver and z80 is built in the same chip on the 3 ic
versions, because the other ones are the rom and ram
/Stefan
On Sun, 25 Jul 1999, mhlandry wrote:
>
> Yah, cause my friend with the 1.06, one of his four ic's is the z80
> chip, which is almost directly above the lithium spring, and I have
> nothing there....
> - Matt
>
> Linus Akesson wrote:
> >
> > In accordance with the prophecy, mhlandry uttered:
> >
> > > Hey Linus, I figured you would be the one, if any, to reply. First
> > > off, I have a rom version 1.07, and could only find three distinct ic's,
> > > while my friend with a rom version 1.06 had four ic's. Now, I have a
> > > toshiba ic, which I think is the lcd driver, an epson ic, which I think
> > > is the rom, and a TI ic (it says (C) 1996 TI, which I cannot find out
> > > what it is. I am wondering if this is the z80, because I cant find
> > > anything that resembles the z80, which is suposed to have forty pins
> > > right, (44 maybe?). The three ic's that I see are 28,32, and 80 pins.
> > > My main question is where is my z80 chip. And the other question is,
> > > what is the "TI" ic?
> > > I sent TI an email but they replied with something stupid, although the
> > > guy was nice about it.
> > > - Matt
> >
> > This beats me aswell. I suppose TI might have ordered some special version of
> > the z80, because I have a z80 chip here at the table beside me, and it is
> > about 50mm x 15mm, so if it were in the ti-83 I would've noticed it. It's
> > BIG!
> >
> > Linus
> >
> > - --- Linus Akesson ------------------------ http://linusworld.cjb.net --- -
> >
> > Either he's dead or my watch has stopped.
> > -- Groucho Marx
>
>
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