Am So, den 26.06.2005 schrieb Ryan J. McDonough um 19:28: > I'm having a heck of a time getting my display to work properly. I have > an HP Pavilion a730n which has an i915 graphics board running Fedora > Core 4. The display it's hooked up to is a Samsung 770TFT. I run the > display at 1280 x 1024. Under Windows the driver would always revert > back to 60Hz on each reboot, which always makes the display blurry. > However, I could always adjust the refresh rate to 72Hz and everything > was peachy. > > Xorg is a different story. No matter what I do, the display seems to > behave as if it's running at 60Hz but the Gnome Screen Resolution claims > it's running at 76Hz (which is out of range). I've tried creating a > ModeLine which seems to make things a little better, but not great. > Here's the parts of my Xorg config that is relevant: > > Section "Monitor" > Identifier "Monitor0" > VendorName "Monitor Vendor" > ModelName "S/M 770TFT" > DisplaySize 340 270 > HorizSync 30.0 - 81.0 > VertRefresh 56.0 - 85.0 > Option "DPMS" > ModeLine "1280x1024" 138.54 1280 1368 1504 1728 1024 1025 1028 > 1069 -HSync +Vsync > # 1280x1024 @ 72.00 Hz (GTF) hsync: 76.82 kHz; pclk: 132.75 MHz > ModeLine "1280x1024_72.00" 132.75 1280 1368 1504 1728 1024 1025 > 1028 1067 -HSync +Vsync > EndSection > > Section "Device" > Identifier "Videocard0" > Driver "i810" > VendorName "Videocard vendor" > BoardName "Intel 915" > EndSection > > Section "Screen" > Identifier "Screen0" > Device "Videocard0" > Monitor "Monitor0" > DefaultDepth 24 > SubSection "Display" > Viewport 0 0 > Depth 24 > Modes "1280x1024_72.00" "1280x1024" "1152x864" "1024x768" "800x600" > "640x480" > EndSubSection > EndSection > > I have taken a look at Bug 132276: > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=132267 > > Since this sounded like a similar problem, i tried adding the "NoAccel" > option. All this did was make scrolling really slow, the blurriness was > still present. Any thoughts would be GREATLY appreciated! Thanks! > > Ryan- You may experiment with different modelines and sync settings. On http://xtiming.sourceforge.net/cgi-bin/xtiming.pl I calculated following modeline based on your refresh rate values (are they correct and match the display manual data?): Modeline "1280x1024@72" 147.56 1280 1312 1872 1904 1024 1044 1056 1076 Alexander -- Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773 legal statement: http://www.uni-x.org/legal.html Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.35_FC2smp Serendipity 19:53:08 up 1 day, 2:45, load average: 0.18, 0.16, 0.23
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