On Mon, 2002-10-28 at 16:12, Jeffrey Baker wrote: > On Mon, Oct 28, 2002 at 12:31:40PM +0100, Michel D?nzer wrote: > > On Mon, 2002-10-28 at 04:07, Marc Wilson wrote: > > > On Sun, Oct 27, 2002 at 07:25:51PM -0500, [EMAIL PROTECTED] wrote: > > > > 2) It is possible that this is a hardware limitation. Multiple-output > > > > video cards often don't support all features on secondary "heads". > > > > > > I always had the problem with my G450 and later with my G550 that X > > > wouldn't set the gamma the same on both heads, although it claimed that it > > > was according to the log. The monitors were the same make and model, and > > > the difference was distinct and annoying. > > > > > > OTOH, xgamma was always quite willing to set the gamma on the heads > > > separately, and I was also able to specify specific gamma settings for > > > each > > > monitor in XF86Config-4 and have them take effect. > > > > I thought I'd read on the Xpert list that the second head of those cards > > indeed doesn't have a hardware palette and thus can't do gamma > > correction. I can't offer any first hand experience though. > > I don't think this is the problem, because I use a machine with two > matrox cards (a G400 and a Millenium II) in a Xinerama setup, and > xgamma will only change the gamma on the first head. The capability > is obviously there to set gamma on both in hardware.
Maybe you need the -screen option to xgamma? -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast
