Re: Alternate low-cost platform for OVC

From: Edward Cherlin <cherlin_at_pacbell_dot_net>
Date: Sat Jul 10 2004 - 11:56:51 CDT

On Friday 09 July 2004 10:05 pm, David Mertz wrote:
> Edward Cherlin <cherlin@pacbell.net> wrote:
> |What in the World is an X Terminal?
> |...instead of transmitting vast amounts of X information over
> | the data link, the server software is executed on the host
> | system and eliminates the time-consuming data transfer.
>
> I know... I've used X Terminals on serial lines. Back in the
> 1980s they seemed pretty spiffy. I can't imagine any voter
> not being deeply disturbed by the experience today.
>
> |[An X terminal] costs slightly more than an alphanumeric
> | terminal and A WHOLE LOT LESS than an X workstation
>
> Any actual *price* though? That Trident place seems quite
> cagey on this... seeming to insinuate: "if you have to ask,
> you cannot afford it."

Someone with more time than I have today can call them, or ask in
any handy CS lab.

> |> But under either model, this would imply you need a whole
> |> computer inside the display itself to render X11.
> |
> |An embedded, single-purpose computer running only the X
> | protocol and renderer.
>
> EXACTLY: A whole computer inside the display! I didn't say
> it needed to be a high-end computer, but it sure as heck takes
> a lot more MIPS than the flatscreen LCD in front of me. (I
> suppose my display technically has some kind of CPU in it to
> make the OSD popup... maybe an 8-bit z80 or the like, or even
> an old Motorola 680x0)

Yes, there is a whole computer in every modern multisync CRT
monitor and every flat screen. There is certainly a computer in
a touch screen display.

> |USB 2.0 wouldn't work for you?
>
> Maybe for *me* to use, but certainly not for *voters*. Not
> within an order of magnitude.

That is an opinion not based on experience. I don't trust
anything but a live test. When we can get the real answer, I
don't like to have fruitless theoretical arguments.

> |If we put on a video port, we don't need an X terminal at
> | all. Just a touch screen monitor.
>
> Righty-O. That's what we need.

-- 
Edward Cherlin
Generalist & activist--Linux, languages, literacy and more
"A knot! Oh, do let me help to undo it!"
--Alice in Wonderland
http://cherlin.blogspot.com
==================================================================
= The content of this message, with the exception of any external 
= quotations under fair use, are released to the Public Domain    
==================================================================
Received on Sat Jul 31 23:17:08 2004

This archive was generated by hypermail 2.1.8 : Sat Jul 31 2004 - 23:17:15 CDT