TI-H: Re: TI-89 ROM "downgrading"
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TI-H: Re: TI-89 ROM "downgrading"
If its a TI-89 with HW2 (most likely it is), then you can't downgrade the
ROM past 1.05.
Bryan
----- Original Message -----
From: "Noah R Deneau" <noahd@juno.com>
To: <ti-hardware@lists.ticalc.org>
Sent: Monday, November 22, 1999 8:23 PM
Subject: TI-H: TI-89 ROM "downgrading"
>
> A friend of mine recently bought a TI-89 with ROM 1.05, but of course he
> wanted 1.00 for all the games. So I tried to downgrade his ROM from my
> calc with the "Send/Recieve Product Code." Should that work? It didn't.
> I tried sending to/from many 89s but the sending calc got a checksum
> error each time and the reciever always locked up. Any ideas?
>
> Thanks,
> Noah
>
>
>
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