[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


>Updating firmware on a consumer-type device can be
>done safely if the firmware was properly written in
>the first place.  It is common to have boot code and
>loader code resident in non-modifiable Flash memory.
>That way, if an update fails (e.g. power dumps while Flash
>is being updated) the loader will still exist to try again.
>I once worked for a company that had a unique method
>of updating firmeware that was virtually foolproof.
>Unfortunately, I am sworn to secrecy about the details
>(If I told you, I'd have to......etc.)

I'm sure you know the very old saying:

"Make something foolproof, and the first fool that comes along..."

73, de Hakim (N1ZFF)