On Tue, 22 Jul 2008 06:03:16 -0400 "William L. Maltby" <CentOS4Bill at triad.rr.com> took out a #2 pencil and scribbled: > I need to start running a dual head on one of my machines. > Eventual target is CentOS 5.x. Decided to test first on my 4.6 > setup (eventually it will achieve 5.x). Both machines are fully > up to date. > > The test machine is 4.6, 2 radeon video cards. Searched the web, > CentOS site, even bugzilla. This bugzilla entry from a 4.2 > system), http://bugs.centos.org/view.php?id=1875 > had only a WFM response. > > I've attached a gzipped text file of pertinent information. > > Briefly, kudzu did the right thing when I installed the second > card. System-config-display also behaved correctly. X start ok, > but will only use one head at a time. Adding a second "BusID" so > that both cards are explicitly addressed didn't help. When the 2 > "BusID" entries are switched, the active screen doesn't move > (it's always "Screen0") and the ignored screen ("Screen1") > remains the same. The monitor attached to the video card for > "Screen0" becomes the active one. > > Q1: Anyone have a two video card CentOS 4.6 setup working? > > Q2: Is it working in CentOS 5? > > Q3: Anyone see something I'm doing wrong? Suggestions? > > TIA, This was addressed on the list at one point, and marked as solved by the poster. http://lists.centos.org/pipermail/centos/2007-May/080915.html Does this help you out? I haven't had occasion to play with dual head yet. A quick google also turned this up, but it is not directly related to CentOS, I run an nvidia card and can't speak to how well this would work for you. http://www.linuxine.com/2008/06/how-to-enable-dual-monitors-with-ati-diplay-card-in-linux.html Mind the line wrapping. HTH Alex White -- ethericalzen at gmail.com Life is a prison, death is a release