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Re: If you could design a $300 homecomputer today, what would you choose?



william strutts wrote:

> "Byron Desnoyers Winmill" <wbdesnoy@acs5.acs.ucalgary.ca> wrote in message
> news:9itqpg$poi$1@nserve1.acs.ucalgary.ca...
> >
> > Hardware:
> >  - 68000, about 10MHz
> >  - 4MB to 8MB RAM
> >  - ROM based OS (patched in RAM)
> >  - 2 or 4 RS-232 ports
> >  - 2 parallel ports
> >  - an AD convert, with 4 inputs and 2 outputs
> >  - 8"x4" LCD screen, high resolution,
> >    high contrast, black and white is fine
> >  - semi-portable design (something which can
> >    be moved while I'm working, but not something
> >    which I work on while moving)
> >  - 64MB to 256MB RAM with battery backup, for
> >    storing documents.  Or use flash memory if
> >    it is cheap enough.
> >  - HD 3.5" floppy, for communicating with my
> >    other machines
> >
> You couldn't get that much ram on a 68000 because it only
> has a 24 bit memory bus.

WHAT?!?!  24 address lines gets you 16 megabytes. He's taking 4-8
The fact is that the Mac Plus had 24 address lines and 4 megs. - and that was
in 1986!

Roy

> You would have to go to a 68030
> or so to get the wider data path.
> <snip>
> --
> --
> William R. Strutts - wrstrutts1@nospam.home.com - Whatever!
>
> C'est moi!  http://www.facelink.com/wrstrutts
>
> Just hacking away...
>
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