Nicolas Bardier wrote:

Hi! I have installed Debian 3.0 woody I have a S3 virge PCI video card and an AOC 15" 5E
monitor. I have configured XFree86 so the defaulth depth is 16 and i use these screens
resolutions: 1024x768; 800x600 640x400 and in the monitor section of the xfree86
configuration file, in the section "monitor", subsection "HorizSync" i have entered
"30-54" and in subsection "VertRefresh" i have entered "50-120", because in the
manual of the monitor it appears explained as a technical information that the scanning
frecuencies of the monitor are this: horizontal: 30-54
vertical: 50-120

Despite that i think i have entered the correct values, the fact is that in a lot of
programs (Opera, Evolution, Kmail, Sylpheed, Mozilla, etc...), specially when the
background is a light colour, small details like charaters (numbers, simbols, small
images) appears distorted and the surrounding pixels apears as if they where in colours that are not supossed to be there (e.g, violet and blueish pixels around a black small
character with a white background)
What i have read about this problem is that the key to solve it is in the values I
write in the "HorizSync" and "VertRefresh" sections, but if the values provided by the
manufacturer just doesn't work, what values should I consider?

That's the common problem. You're just overtaxing your hardware. Generally, there can occur linear distortions, size distortions, color artifacts and such.

For average 15" tube (and for "then-middle-end" S3 virge) I wouldn't consider any other Hres than 800x600, perhaps 960x720 if driver allows. With average 17" tube you can safely go up to 1024x768, perhaps 1152x864 (e.g., my 17" doesn't work adequately in 1152x864, distorting linear dimensions close to edges and in 1024x768 everything's fine).

So, never mind the upper limits and lower the resolution to 800x600 (and raise the vertical refresh, 85 is reasonably good number). You won't regret it in the long run.



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