On Fri, May 16, 2008 at 10:16 AM, Francois Gouget <[EMAIL PROTECTED]> wrote: > On Fri, 16 May 2008, Alex Deucher wrote: > [...] > > 1920x1200 is probably a bit much for your card bandwidth-wise. > > Sure, this graphics card is pretty old and not very powerful. However: > * I used it to drive the VGA output in 1920x1440x75Hz for 7 years with > my 21" CRT. > * About 6 months ago I switched to an LCD screen and used it to drive > the DVI output at 1920x1200x60Hz without trouble. > * It's only last wednesday when I upgraded that the DVI output stopped > working at all. > * I have since downgraded the driver to and I'm using the DVI output in > 1920x1200x60Hz (as confirmed by both xrandr 1.1 and my LCD screen). >
The the driver was substantially rewritten for xrandr 1.2 support. The mode handling has changed a lot. > So it's not a hardware problem. > > > > Do lower resolutions work ok? (1680x1050 or 1024x768) You might try > > reducing your color depth to 16 bits. > > I thought about an issue with the single-link DVI bandwidth limit too. > So I tried 1600x1200x60Hz and 1024x768x60Hz and neither worked. I did > not try 16 bits mode. > > > > The following options may also > > help: Option "DefaultTMDSPLL" "TRUE" Option "DisplayPriority" "HIGH" > > > > If that doesn't help, try a modeline with a reduced refresh rate (50 > > hz rather than 60): > > Modeline "1920x1200_50.00_rb" 127.75 1920 1968 2000 2080 1200 1203 > > 1209 1229 +HSync -Vsync > > I will try this tonight. Do these correspond to driver settings that > changed between 6.6.3 and 6.8.0? The DefaultTMDSPLL is new, but the default behavior should be the same. displaypriority exists in both versions. Alex -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
