On Mon, 2004-03-29 at 04:00, Vicente Herranz P�rez wrote: > Hi, > > I've an Aluminium Powerbook G4 with a 15" display and an ATI Mobility > Radeon 9600 graphic card. It works properly right now, buy I decided to > become entangled in the configuration of a second screen as dual > display. My second screen is a 17" Philips 170B2T with a maximum > resolution of 1280x1024, while the resolution of the powerbook's screen > is set to 1280x854. I've tried a XF86Config-4 file based on John Leach's > one (http://www.johnleach.co.uk/documents/powerpc/), but although the > powerbook's screen works properly, the second display prefers to show an > awful lot of lines. After some attempts I've reached to discern > something that resembles to icons and the cursor but nothing else. I > suspect that the second display doesn't really work at 1280x1024. > > I would appreciate if somebody can help me.
The external screen is a CRT or a TFT display ? If you are trying to use the second output as DVI (and not with a DVI<->VGA adapter), then there is a known problem with XFree using the correct digital output of the ATI chip. Though it's possible to hack around... Ben.
