Hi everybody,
I am trying to make an ATI all-in-wonder Radeon card working with
a iiyama flat panel (au4831d), using the DVI port, at a 1600x1200
resolution.
The modelines of my XF86Config-4 are based on DDC information
found in the log, using the "radeon" driver, my HorizSync and
VertRefresh are from the monitor documentation :
Section "Monitor"
Identifier "my new iiyama"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 24-80
VertRefresh 56-85
ModeLine "1024x768" 65 1024 1040 1104 1344 768 781 783 817
Modeline "1600x1200" 162 1600 1664 1856 2160 1200 1201 1204 1250
EndSection
Section "Device"
Identifier "ATI Radeon"
VendorName "Unknown"
BoardName "Unknown"
Driver "radeon"
Option "DPMS" "on"
EndSection
Section "Screen"
Identifier "screen1"
Device "ATI Radeon"
Monitor "my new iiyama"
DefaultColorDepth 16
Subsection "Display"
Depth 16
Modes "1600x1200"
ViewPort 0 0
EndSubsection
EndSection
And the server gives :
<< (WW) RADEON(0): Mode 1600x1200 is out of range.
Valid mode should be between 640x480-1024x768
(EE) RADEON(0): No valid mode found for this DFP/LCD
(EE) Screen(s) found, but none have a usable configuration.
Fatal server error:
no screens found >>
If I add "1024x768" in the "Modes", the sever starts but the
screen becomes blank (without going to power saving mode), I
think it is because the dot clock is set to 162 by the driver.
For now, I have changed "radeon" to "fbdev" and I have X running
in a 1024x768 "window" in the middle of the 1600x1200 screen :-/
I saw in the CVS Changelog that a lot of work is done on the
radeon driver but I do not want to wait for XFree 4.3, and using
the CVS version does not seem to be so easy...
BTW, I did not succes in using a higher frame buffer resolution
than 1024x768, even in 16 bbp, eg 1600x1200 (using 0x31F in lilo
ask prompt / in lilo.conf ask field), or even 1280x1024 (0x31B).
It is too bad since high resolution frame buffer would have been
good enough for my pine / xemacs / lateX / mozilla activities...
Lost, I have installed windows just to see if 1600x1200 using DVI
is possible : the XP ATI driver works great ! The only problem is
that I have nothing to do under windows ! So, please, help !
Didier Puzenat
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