On Tue, 2003-11-25 at 08:52, Christian Hammers wrote: > Hello > > My brand new LG "Flatron L1715S" TFT display with max resolution > 1280x1024@75Hz and recommended resolution "1280x1024@60Hz" is flickering > like hell in the first and at least a bit in the second resolution. > > A collegue of mine uses the same TFT with Windows and has, surprise, > no problems at all with 75Hz. I have just a "ATI 3D Rage IIC" but this > should be enough, or? > > Can anybody give me a hint what to tune to get a clean picture? > > thanks in advance, > > -christian- > > > My relevant XF86Config-4 so far: > > Section "Device" > Identifier "ATI 3D Rage IIC AGP (rev 7a)" > Driver "ati" > EndSection > > Section "Monitor" > Identifier "LG Flatron L1715S" > HorizSync 30-83 # According to manual on CDROM > VertRefresh 56-75 > Option "DPMS" > # 1280x1024 @ 60Hz (VESA) hsync: 64.0kHz (not better without it) > ModeLine "1280x1024@60" 108.0 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync > EndSection > > Section "Screen" > Identifier "Default Screen" > Device "ATI 3D Rage IIC AGP (rev 7a)" > Monitor "LG Flatron L1715S" > DefaultDepth 16 > SubSection "Display" > Depth 16 > Modes "1280x1024@60" "1280x1024" "1280x960" "1152x864" "1024x768" > EndSubSection > EndSection Try a different color depth, try higher or lower. I had a similar problem with another machine I maintain remotely. It took me/him quite a few X restarts to get it right. Finally the switch to either 24 or 15 or 8 color depth worked. 16 bit Color Depth seems to fail with sync... problems. -- greg, greg@gregfolkert.net REMEMBER ED CURRY! http://www.iwethey.org/ed_curry
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