How do you change the refresh rate in X?
 

Hi,

I'm running KDE and I'd like to know how to change the refresh rate.

Thanks,

-R4z0r

I know you can change it by editing your /etc/X11/XF86Config file. 'xf86config' is the tool that should help you with that, but I've always just edited the config file directly. Check out the manpage for XF86Config to see the file format.

You may want to check which Xconfig file your using before editing... the newer X setup uses /etc/X11/XF86Config-4 ... If your lucky there should be a /var/log/X??? (sorry cant remember the exact name) logfile showing your last session startup... it'll tell you the config file in there..

R.

Hi, and thanks for the responses!

In the XF86Config file all you can edit are the vertica and horizontal refresh rates. When I said refresh rates I meant like how Windows allows you to change e.g. 85Hz, or 100Hz. ATM, my X seems to be stuck at around 60Hz and I'm used to 100 so it's a bit of problem!

Any ideas?

Thanks,

-R4z0r

That would be the vertical refresh rate.

Hi,

Currently my settings are as follows:

Vert. Freq: 48-120Hz
Horiz. Freq: 30 -96Khz

So how can I get 100Hz refresh rate from that? Would I need to change the Vert. Freq to 100? Obviously only keeping it at a resoloution I know the monitor can handle!

Also, is it possible to get get 32Bpp in X, when I used Xfre86config it only offered 24bpp as max? The other thing was that it won't except 1152x864 as a resoloution, instead it goes to 1024x768 instead.

Thanks :)

-R4z0r

Anyone? :)

just change the vertical refresh to 100 so it reads
Just make sure your monitor can handle it at this frequency otherwise X won't work. It used to fry the monitor but ive noticed that recent versions of X just bail out if the monitor cannot handle the freq and resolution.

32bit doesn't acutally exist if memory serves me right. in doze it is actually 24bpp but they do something to pin on the extra 8 bits. X don't do this. You won't notice any difference.

HTH

Alex

Hi again,

Well it won't except 100Hz, the nearest it will do is 85Hz :( It won't except 1152x864 either so I guess I'm stuck :(

-=R4z0r