Widescreen problems....

Karl Denninger karl at denninger.net
Fri Jun 29 02:40:01 UTC 2007


Read the handbook, have a monitor that identifies as:
(II) RADEON(0): Supported additional Video Mode:
(II) RADEON(0): clock: 146.2 MHz   Image Size:  474 x 296 mm
(II) RADEON(0): h_active: 1680  h_sync: 1784  h_sync_end 1960 
h_blank_end 2240 h
_border: 0
(II) RADEON(0): v_active: 1050  v_sync: 1053  v_sync_end 1059 
v_blanking: 1089 v
_border: 0
(II) RADEON(0): Ranges: V min: 56  V max: 75 Hz, H min: 30  H max: 81 
kHz, PixCl
ock max 170 MHz
(II) RADEON(0): Monitor name: SyncMaster
(II) RADEON(0): Serial No: HVFLB06818

So I added:

Section "Monitor"
        DisplaySize       474   296     # mm
        Identifier   "Monitor0"
        VendorName   "SAM"
        ModelName    "SyncMaster"
        Modeline     "1680x1050" 146.2 1680 1784 1960 2240 1050 1053 
1059 1089
 ### Comment all HorizSync and VertSync values to use DDC:
#       HorizSync    30.0 - 81.0
        HorizSync    65.0
        VertRefresh  60
        Option      "DPMS"
EndSection

and.....
Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth    24
        SubSection "Display"
                Viewport   0 0
                Depth     24
#               Modes     "1680x1050"
        EndSubSection
EndSection


I get a startup screen that comes up with a clean "X" cursor, but 
something's not right with the dot clock or similar, as the image is not 
"locked".

If I remove the special config and just run on defaults, it comes up 
even odder.

Ideas?  Is the card in the machine unable to deal with this even though 
it reports that its ok?

-- 
Karl Denninger (karl at denninger.net)
http://www.denninger.net




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