On Mon, Nov 10, 2003 at 08:03:13PM -0600, Roger Sunshine wrote: > I recently bought a Radeon 9800 SE based card made by PowerColor (model > r92le-c3s, box makred with a "SE" sticker) and a Viewsonic VX2000 LCD > monitor and I can't get the DVI port to work well. I'm running RedHat 9 > and with the X driver included with it and the chip id overridden to > just about any known radeon card, I get no picture at all on the DVI > port (though the X logs indicate that it found the monitor). Searching > the mailing list archives on various places indicated that the 9200 card > is not quite compatible with other radeons, so I pulled down the current > XFree86 tree (as of midday 11/9) and built X from scratch. Running the > resulting X server produces a image on the DVI port if I have only the > DVI port connected, but either the image quality is horrible (closest > approximation would be a tv screen with lots of "snow") or the picture > does not appear at all. Oddly enough, if I plug the analog port in, the > analog picture is fine (sans some visible ringing in the signal). The > monitor and card work fine in Windows XP, so I know that both parts are > properly connected and configured. > > Attached are the XFree86.0.log file and my XF86Config file. > > Thanks for any information. Make sure XFree is not accidentally choosing a mode that would be fine for the analog side, but is overdriving the DVI port. I've had this problem in the past; the digital transmitter is very seldom capable of keeping up with the analog side (and very few will do > 1280x1024, and many can't even do that at > 60Hz, even when the analog output is capable of 4x as much). Monty _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86