> Dear group:
>
> I was thinking again about the need for upgrade-ability in PDAs. I had
> earlier proposed that a small cottage industry could be made of ROM
> upgrades for PDAs, including new OS and software. Another possibility
> would be to make PDAs with a PCMCIA-type slot (maybe with limited access)
> which would contain most of the "motherboard". That is, CPU, ROMs and
> maybe RAM could be included.
>
> When new OS version or new software become available, they could be
> included on a PCMCIA "motherboard" containing a CPU upgrade and maybe a
> higher-density RAM upgrade, as needed. PDA users could then order the
> new mother-card and install it at home with not much more than a screwdriver.
>
> So . . . is it possible to fit all that on a card? I would think PDAs
> could be more attractive if hardware upgrading were possible.
>
The entire Zoomer GEOS package (GEOS 2.0 + Zoomer Apps) is on a 4 MB
ROM chip set in the Zoomer. I don't see a reason that couldn't be
put on a PC Card, especially since you have 2 MB SRAM cards for $50 and
some 20 MB Flash RAM cards floating around.
GadgetMaster, aka
andy@kwc.edu