On Sat, 2011-03-05 at 18:37 +0000, Triadi Krisnawan wrote: > Dear Experts, > > My machine is using Fedora. The current resolution display is > 1024x768_60Hz and it shows flickerring every now and then. > I know that the max screen resolution can handle is 1280x1024_60Hz but > I cant change it by simply go to display preference. > Under the display preferences the max resolution option is 1024x768 > which is currently use. > > At the back of the machine, the display output is DVI port but then > the installation here is converted to VGA port (via DVI to VGA > adapter) and from the VGA port comes to a VGA splitter then connected > to 3 monitors. > > Yesterday I did try to modify the xorg.conf file as following (the one > that I added is on the red) > Section "Monitor" (mon "0") > ... > ... > Modeline "1280x1024_60" > Option "PreferredMode" "1280x1024_60" > > Section "Screen" > ... > ... > Modes "1280x1024_60" Triadi, Two possibilities. (1) Your VGA splitter device might limit its output resolution to 1024x768. That's common with VGA-type KVMs. (2) Your Modeline statement looks incomplete. Try using the gtf utility: $ gtf 1280 1024 60 You'll get an output line that looks like this: # 1280x1024 @ 60.00 Hz (GTF) hsync: 63.60 kHz; pclk: 108.88 MHz Modeline "1280x1024_60.00" 108.88 1280 1360 1496 1712 1024 1025 1028 1060 -HSync +Vsync Try copying and pasting those two lines into your xorg.conf file. I had to replace the underscore '_' character in the double-quotes string with a space ' ' to get it to work in my system. Hope this helps. --Doc Savage Fairview Heights, IL -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
