Re: A89: Just a question


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Re: A89: Just a question




How complicated is it to disable the protection on a HW2 calc? Is it just a 
matter of flipping a dip switch, or do you have to rewire most of the stuff 
on the motherboard?

>From: Scott Dial <wrath@calc.org>
>Reply-To: assembly-89@lists.ticalc.org
>To: assembly-89@lists.ticalc.org
>Subject: Re: A89: Just a question
>Date: Tue, 23 May 2000 16:09:29 -0500
>
>
>You can disable the protection chip by hardware... and I wouldn't doubt
>that there are a handful of ppl who could do it with the software
>method. Alternatively, you could make your own flash update and then you
>wouldn't have to do any of this.
>
>Rob Smith wrote:
> >
> > for the c tutoral, goto http://c489.tigalaxy.com it is in progress
> > At 01:16 PM on Monday, 5/22/00 -0500, you wrote:
> >
> > >A bunch of various people and myself are attempting to replace the 
>crappy
> > >TI-OS on the 89 with a faster, smaller, and more UNIX-like operating
> > >system. Problem is, we have no idea how to write to the protected 
>memory
> > >where the TI-OS lives. Although I'm pretty sure that there isn't a soul
> > >outside of TI who knows how to do this, I figured that if there is 
>anyone
> > >who knows how to do it, he probably subscribes to this list.
> > >
> > >P.S. If anyone knows of a good C tutorial for the 89, please send me 
>the
> > >URL to it. Thank you.
> > 
> >________________________________________________________________________
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> > >
> >
> > ----
> > Rob Smith
> > <a href="http://pa.ticalc.org">Visit Programmers Anonymous Today</a>
> > <a href="http://www.tigalaxy.com">Come and see the Improved TIGALAXY Web
> > site</a>
> > <a href="http://c489.tigalaxy.com">See the only C tutorial for the 
>89</a>
> > <a href="mailto:kormoc@netzero.net">Email-Me</a>
> > <a href="aim:addbuddy?screenname=Billvortex">Add Me To Your Buddy 
>List</a>
> > ----
> > Stupidity got us into this mess - why can't it get us out?
> >
> > _____________________________________________
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>
>--
>Scott "Wrath" Dial
>wrath@calc.org
>ICQ#3608935
>Member of TCPA - tcpa.calc.org
>_____________________________________________
>NetZero - Defenders of the Free World
>Click here for FREE Internet Access and Email
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>

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