Miscellaneous > Technical Support
Xorg, refresh rates, modelines
H_TeXMeX_H:
75 - 85 Hz is a decent frequency ... anything below 60 Hz is almost guarranteed to flicker ... 120 Hz ... that's a bit high.
solemnwarning:
1152x864@75Hz here
GenuineAdvantage:
Well tried it back there again, powerstrip says it is running at 120Hz 1024x768 - what that proves I'm not sure of, but I think it's supposed to give you the real info if windows controls were lying.
Btw, like I said, only for games. A fast framerate allegedly gives you an edge in fast paced action. I know the eye isn't strained once you get up to 85 just staring at a desktop.
mobrien_12:
I think the ultrafast monitor refresh thing in games is bull.
And you WILL kill your monitor prematurely running it at very high vertical refresh rates. It doesn't matter if the monitor can do it or not. You are wearing it out.
The best thing to do for your monitor settings in Linux is to get the horizontal and vertical sync ranges and hand enter them in the config file. You can usually find these from the manufacturers website, your manuals, or Google.
IF you want to force a higher refresh rate, raise the lower end limit on the vertical sync range. I usually LOWERED my upper limit so it wouldn't go up to 85 Hz...
GenuineAdvantage:
Yea... I've read more on it and eventhough it can go up to 120, only up to 85Hz is on the manufacturer's specs. I already had the sync ranges down, so maybe X server follows standards, and maybe the driver on windows likes to cook monitors. Both OSes detected the name of the monitor. But either way screw it, I set VertRefresh to plain 60 and see no big difference even running at 1280x960. Like this, emulators run smoothly at 60Hz in any resolution and simple 2d scrolling in OpenGL vsyncs properly. I could always switch it back if it bothers me. I just wish these resolution/refreshrate changes were handled better by X, like windows does it. I hope one day X can do it. Yet I don't think it's been developed that way so far because not many need *nix to do that. Oh well.
btw, one more thing/question. I admit I use the gdm logon screen. Is there a way to make it so this, the whole thing starts up at a desired desktop resolution/rate. It's a little annoying to start up at the highest resolution and have it switch to yours everytime you log in.
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