ddcprobe / X : how to force refresh rates / timing ?

[Vincent Trouilliez]

On Mon, 2005-04-04 at 18:47 +0100, Toby Kelsey wrote:
> Vincent Trouilliez wrote:
> 
> > So, how can I tell X (if it's X that's involved), to use a higher
> > refresh rate ? Can I give it custom timings (assuming I can figure it
> > out) that would result in a higher refresh rate ?
> 
> Well, the traditional Linux approach is to use the horizontal sync and
> the vertical refresh rate for your monitor and the dotclock and bandwidth
> values for your video card, with the XFree86-Video-Timings HOWTO to
> calculate a modeline. Add this as a Modeline in xorg.conf/XF86Config and
> add the mode name to the Modes line in the Display section. Restart X and
> use Ctrl-Alt-+/Ctrl-alt-- to select the resolution, then use xvidtune to
> adjust borders etc. and update the modeline values.
> 
> Not trivial, but if everything else fails you could try it.
> 
> -- 
> Toby

Thanks for the pointers Toby, I will try and dig a bit from there... ;-)

--
Vince