Marc wrote:
> > I am considering making a device which is exactly what the REX (xircom, used to
> > be franklin, little planner type device with no input about the size of a
> > business card) is, but without the high cost.
> >
> > I know this is impossible (ie, it costs more than just buying a REX) on the
> > hobbyist level, but I am interested in making one which would be simple and open
> > source, or at least open hardware.  The REX is currently not programmable, and I
> > need to do some specialized DB usage with it.
>
> What about reverse-engineering the REX and using it as cheap hardware platform
> for your own design?
>
> While I don't own a REX nor had one in my hands physically, I'm very interested
> in reverse-engineering it myself (for the purpose of using the hardware for
> own projects).
>
> Basically what's needed to get me going is someone who has a REX and opens it up
> to look inside.  If it has an external non volatile memory for the firmware, we
> have almost won already.  Definately I'll go out buy a sample REX when it contains
> Flash or battery + SRAM for the firmware!
>
> I have tools and experience for reverse-engineering a large variety of 8/16/32 bit
> MCUs that are popular in embedded devices.
>
> Email me privately when you think that this is a good project to work on!

Problem's that they're hard to get with docking stations, have to access
them as PCMCIA devices.

One person on the LX list's using one as a readable Flash RAM PCMCIA
card somewhat in their attempt to interface to the 200LX;
<majordomo@lists.butz.org> is the majordomo address for that list.

  Mark