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Old 06-06-2011, 06:56 AM
"pierre lesage [free]"
Default fedora 15 - can't get 120Hz refresh rate with nouveau driver

hello everyone,

i must miss something easy here...
fresh fedora 15 install: i can't get my monitor to switch to 120 Hz (it
did with fedora 14 though).
the gnome "Displays" app (system settings) doesn't display any refresh

i tried some xrandr commands without success...

gtf 1920 1080 120.0
gives the corresponding modeline

xrandr --newmode "1920x1080_120.00" 368.76 1920 2072 2288 2656 1080
1081 1084 1157 -HSync +Vsync
xrandr --addmode DVI-D-1 1920x1080_120.00
screen goes grey for half a second and returns to normal ; now there is
a * next to the new mode

xrandr --output DVI-D-1 --mode 1920x1080_120.00
doesn't switch to 120Hz ; OSD effectively reports the refresh rate is
still 60Hz

the hardware is a lenovo t61p with docking station using dvi output.
video card: nvidia quadro 570M.
monitor: viewsonic v3d 241 wm led 120 hz.

thanks for this very nice linux distribution by the way ! have a
great day !


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