Re: A89: Linux Port for 89/92

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Linux Port for 89/92
From: Johan <johei804@student.liu.se>
Date: Wed, 14 Jul 1999 12:53:07 +0200
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
In-Reply-To: <0FEU00I534L28R@mail.megsinet.net>; from Mark Zavislak on Tue, Jul 13, 1999 at 19:36:11 -0500
References: <0FEU00I534L28R@mail.megsinet.net>
Reply-To: assembly-89@lists.ticalc.org

Mark Zavislak wrote:
> 
> TI has already anticipated problems with parts of the rom being 
> overwritten.  They have hardware locked the first 64k (?) of the flashrom 
> chip, and if all else fails, pulling out all the batteries, then holding 
> the APPS key while you insert the last one will bring you to the 
> bootloader screen which allows you to reinstall TI code.  Interestingly 
> enough, if the port is ever developed, this would probably be the 
> preferred way of installing it...

We can't install new code that way. There is an MD5 checksum at the end of
the code, but it is scrambled with 512-bit RSA encryption. This makes it
impossible for us to create anything that the boot loader would accept since
we don't know the RSA key.

//Johan

Follow-Ups:

Re: A89: Linux Port for 89/92

From: Adam Davis <adavis@baladyne.com>

References:

Re: A89: Linux Port for 89/92

From: Mark Zavislak <felix@megsinet.net>