Linux on access technology

[Janina Sajka]

Glenn writes:
> If the keyboard wasn't an integral part of the motherboard, I'd consider 
> pulling the MB and putting in my Raspberry PI.

This is a pretty sound idea, imo. If we had a box with speakers, braille
keyboard, basic other IO like RJ45, audio, etc., but could simply swap
in mb from time to time to pick up on enhanced cpu, ram, etc., wouldn't
that be pretty future proof? 

Janina

> Glenn
> ----- Original Message ----- 
> From: "Kirk Reiser" <kirk at reisers.ca>
> To: "Speakup is a screen review system for Linux." 
> <speakup at linux-speakup.org>
> Sent: Wednesday, May 25, 2016 8:08 AM
> Subject: Re: Linux on access technology
> 
> 
> Just as a point of interest, my wife uses her braillite-40
> everyday. We replaced the batteries and charging circuit with more
> modern ones about ten years ago. She really likes it and is always
> worrying about what she'll do when we can't repair hers any
> longer. It's editor is clunky but beats the shit out of the editor in
> devices like the Alva units.
> 
> 
> On Tue, 24 May 2016, Tom Fowle wrote:
> 
> > I worked on a project to try to develop a TTY modem for the Braille Lite,
> > Dean was extremely tight about giving me any info about how the lite was
> > done.  I believe they used a Hitachi HD64180 microprocessor which was a 
> > Z80
> > offshoot. Pretty sure they had no more than about 2 megs of ram and 
> > probably
> > 64K of eprom Don't know about the clockspeed but bet it was pretty kreeky.
> > I don't believe it was ever field upgradable, Dean said something to me
> > about using Ymodem to upload programs and having nothing but trouble with
> > it.
> > Considering the instability of the hardware I think it'd be a bucket of
> > squashed worms.
> > Tom fowle
> >
> > On Tue, May 24, 2016 at 08:48:08PM -0500, Glenn wrote:
> >> Hi,
> >> I am wondering if anyone is working on a light-weight version of Linux to 
> >> work on some of the legacy technology.
> >> I am thinking of devices such as a Braille Light 40 and the like.
> >> I don't know how much RAM these devices typically used, or if they can be 
> >> upgraded, the last time I had one open for some battery work, it seemed 
> >> that all the components are soldered down.
> >> I imagine that it would take a .BIN file to prompt it to load Linux.
> >> My thoughts are that it could give a bit more usefulness to these old 
> >> devices.
> >> I think otherwise, it's just a clunky Braille display.
> >> Thanks for thoughts.
> >> Glenn
> >> _______________________________________________
> >> Speakup mailing list
> >> Speakup at linux-speakup.org
> >> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> > _______________________________________________
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> 
> -- 
> Well that's it then, colour me secure!
> 
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-- 

Janina Sajka,	Phone:	+1.443.300.2200
			sip:janina at asterisk.rednote.net
		Email:	janina at rednote.net

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:	http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair, Accessible Platform Architectures	http://www.w3.org/wai/apa