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Old 08-01-02, 03:06 AM   #1
Phyre
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Default Custom Refresh Rates, DPI, and Other Display Tweaking

I've been trying to find a good HowTo article that covers setting up multiple resolutions for XFree86. I would like to use custom refresh rates for the more popular resolutions of 1024x768, 1280x1024, and 1600x1200. Also, with a GeForce 4 card, which dpi should I have X-Windows use?

I have the vertical and horizontal frequencies specifications for my monitor, but do I need to know anything els for the dpi settings that my card can use?

Thanks,
Phyre
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Old 08-01-02, 04:52 AM   #2
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If you really want to use custrom refresh rates and things like that you need to look into modeline generation. At X startup X already chooses the most optimal builtin modeline for your monitor. If you want to use a different modeline you need to create one yourself using a modeline calculation tool. Look on google for more info about this.

A good modeline calculater made by nvidia is:
http://www.sh.nu/gft.c
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Old 08-01-02, 07:05 PM   #3
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I've found several modeline calculations tools, but I'm having trouble finding the video bandwidth of my monitor, a Futrua K7054. The manual for the monitor has a pixel frequency of 202.5 MHz. Are pixel frequency and video bandwidth the same? I've also found the spec sheet for a K9054. My monitor's manual covers this monitor also and states that the pixel frequency is the same for both models. Here is the link for the K9054.

http://www.cezar.com.pl/oferta/monitory/9054.htm

And, here is one for the K7054.

http://topten.chip.pl/topten_7932.ht...p=39396&tt_v=2

The only problem is that I can't read Polish! LMAO

Any help is appreciated.

Thanks again,
Phyre

Last edited by Phyre; 08-01-02 at 07:14 PM.
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Old 08-02-02, 04:32 AM   #4
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Don't use those sites. Damn that site I gave with that tool is down again. That tool is good. You need to specify the hsync/vsync ranges of your monitor and the resolution and the refresh rate you want I thought and then it gives a correct modeline.
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