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Old 04-14-2004, 11:05 PM   #1
Registered: Oct 2003
Location: Oeiras, Portugal
Distribution: Fedora Core 4
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ATI Radeon 9700 cant set 60Hz

hi there,

i have an ATI Radeon 9700 non-pro graphic card and a samsung syncmaster 171s. in the monitor manual it says that it is advisable to use only a refresh rate of 60Hz. well, after installing the latest ati drivers it remains on the 75Hz no matter how i configure using the fglrxconfig program. does any one know how to change this? is there ok to remain at 75Hz?

EDIT: i want to continue if possible with a resolution of 1280x1024


Last edited by a2ps; 04-14-2004 at 11:08 PM.
Old 04-15-2004, 12:48 AM   #2
Registered: Apr 2004
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You could try the xf86config and after that running fglrxconfig again. However, I have the same problem; neither of these programs get my refresh rate from 75 hz to 60 hz, no matter how many times I tell them that the monitor could only do 60 hz at maximum (well it can do 75 hz very well, but just fooling them).

Last edited by make; 04-15-2004 at 01:00 AM.
Old 04-15-2004, 04:46 AM   #3
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In XF86Config file the modelines that are first in line are used first then it goes down the list. Disable the lines in the XF86Config that begin with modeline by placing # at the beginning of the line. Then run the program again. You can manually enter in a modeline. Go to and enter the specs of your monitor. It will generate a line. Copy the modeline and paste it in your XF86Config file.
Old 04-15-2004, 07:10 AM   #4
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it worked

Old 10-14-2004, 09:38 AM   #5
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Registered: Oct 2004
Location: Toulouse / France
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Question 171s


I'm new on Linux and i don't find any driver to the screen : Samsung Syncmaster 171s.

Can you give me one, or tell me where i can find it.

Excuse my English, i'm Frenc,

Thank you,



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