Re: A89: TI89 ROM vs HP49 ROM -- No More TI Bashing!!!


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Re: A89: TI89 ROM vs HP49 ROM -- No More TI Bashing!!!




So what you are saying is that you're *certian* that the custom 68k chip
motorola makes just for TI has no ROM in it?
-Adam

Olle Hedman wrote:
> 
> `there is no "real rom" in the ti89. only flash. but there is a part of this
> flash that is fully write protected and impossible to disable the
> writeprotection on. bootloader and stuff lives there..
> That is equvialent to "real rom"...
> 
> //Olle
> 
> SirKnight wrote:
> >
> > >If ROM can be edited so can serial numbers (right?).  I'll stop talking
> > >illegal for now though.
> >
> > Not if it's hardware.  I've see little 3 wire chips a company made that
> > contained a serial number.  I doubt that TI would put the serial number in
> > the flash.  But it sorta makes sense.  If the code to write to it is
> > actually in a real ROM (not flash) then it could be done easily at the
> > factory when writing the code to the calcs.


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