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Old 05-30-2005, 04:48 AM   #1
Registered: Aug 2004
Posts: 135

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setting 1280X1024 and refresh rate problem

The Control Center hasn't provide 1280X1024 for my samsung 19'' LCD monitor(including to setup refresh rate). I think i should config xfree86. could anyone tell me which steps i ought to do. Thanks.
[I'm using debian sarge]
Old 05-30-2005, 05:09 AM   #2
Registered: Feb 2005
Distribution: slack 10
Posts: 50

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First generate a modeline:
/usr/X11R6/bin/gtf 1200 1024 90 -x
(90 is the refresh rate, replace it with whatever you want/your monitor is able to do.)

Then put this line in your monitor section in your X config file (xorg.conf or XF86Config, dunno what debian uses)

This is my monitor section with a modeline for 1600x1200@90hz, as an example:
Section "Monitor"
    Identifier  "My Monitor"
    HorizSync   30.0 - 125.0
    VertRefresh 50.0 - 160.0
    Modeline "1600x1200@90" 332.05 1600 1632 2888 2920 1200 1221 1239 1261
Old 06-17-2005, 08:10 AM   #3
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Location: Fargo, ND
Distribution: SuSE AMD64
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You could use the "gtf" program to generate modelines.
For example:
gtf 1280 1024 60 -x
will generate a modeline for 60hz refresh. I used this program to generate a modeline for my 1280x800 laptop.


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