Re: [PLUG] Re: Ubuntu 7.10 on Optiplex with i810 video

["Austin Murphy" <austin.murphy@gmail.com>]

On 10/9/07, Art Alexion <art.alexion@verizon.net> wrote:
>
> 1280 x 1024 is the resolution I am using with a standard 4:3 screen.

1280x1024 is a 5:4 aspect ratio.  Displaying such an image on a 4:3
screen will result in it looking squished vertically.   This looks
similar to a 4:3 image displayed on a 16:9 screen.

> When I connected a 16:9 widescreen to dapper about a year ago, I went nuts
> trying to edit xorg.conf to add 16:9 resolutions.  None worked and, among
> other things,  I experienced the same problem you report (depending on the
> resolution I was trying.  I made a call to the screen manufacturer and the
> tech suggested 1024 x 768 (another not wide screen resolution) and it worked
> perfectly.

Xorg may have just abandoned your specified mode and picked a
different mode on it's own.

>         I think there is some translation in the monitor that lets you
> pick 4:3 resolutions and it converts them to wide screen 16:9.  Trying real
> 16:9 resolutions confuses this translation.

Some LCD monitors, especially HDTV's, have a "Fill" function that
stretches what ever you send to it across the whole area of the
screen.  This is only possible by breaking the aspect ratio and
blurring fine details like text.  Both of those reasons make it bad
idea for computer displays.

LCD monitors really only work well with the precisely correct size
image. If it has 1280x900 pixels, for example, you really don't have
much choice of what size image to send to it!  You need to send an
image with 1280x900 pixels.

Austin
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