iMac rev. A video timings

Samuel Rydh mol-general@lists.maconlinux.org
Wed, 30 Jul 2003 01:59:09 +0200


On Wed, Jul 30, 2003 at 12:48:57AM +0200, Wouter Hobers wrote:
> On Tue, 2003-07-29 at 21:28, Samuel Rydh wrote:
> > You could see if X can do 640x480 or 800x600. If so, the fbset utility
> > can be used to extract the video timings (add them to /etc/fb.modes).
> > Btw. if this works I would like a copy of the settings :-).
> 
> X can do both (using Mandrake Control Center), but when I run fbset in
> either one of them, it always reports that I'm running in 1024x768? I
> don't know what Mandrake is doing here, 'cause if I set the other
> resolutions manually with e.g fbset 800x600-90 my screen goes into
> standby mode again (probably to protect itself from out-of-range timing
> values).

Strange. You could try adding

	Option "UseFBDev"  "true"

to the /etc/X11/XF86Config-4 file (device section).

/Samuel