Re: [opensuse] SuSE 10.1/1680x1050 Widescreen/nVidia <- does not work

On Nov 25, 06 02:25:16 +0200, Andrei Verovski (aka MacGuru) wrote:
I have replaced my dead monitor with new widescreen LCD ViewSonic VX2025 with
native resolution 1680x1050 (I think it is equal to Apple Cinema Display and
other 20.1" analogs).

I've some ideas, see below. Especially the "ModeValidation" options.
It should be enough.


The problem is that SAX cannot set resolution over 1280x1024 no matter what I
have tried. I even deleted x.org configs, reinstalled x.org, sax2, nVidia
9629 drivers and even reset BIOS.

Still this issue? I am not aware that SaX2 has any limits regarding the
selectable size. You just cannot select modes your monitor cannot
display, so if you explicitely select a larger one, it should be
possible. Be sure to select a LCD one (reduced modes).

VX2025 is not listed in SAX hardware profiles, and unfortunately, SAX has a
bug and it cannot read driver CD neither from Combo neither from DVD-R I
have. I could copy vx2025.inf file, but I cannot find where.

Hm. Sounds like a bug. Anyway, just select a standard monitor.

DisplaySize 430 270
HorizSync 30-82
Identifier "Monitor[0]"
ModelName "VIEWSONIC VX2025WM"
Option "DPMS"
VendorName "VSC"
VertRefresh 43-75
UseModes "Modes[0]"

That monitor description is good enough. You need at maximum 65.3kHz
HorizSync.

Section "Modes"
Identifier "Modes[0]"
EndSection

It might also help, if you include

# 1680x1050 59.95 Hz (CVT 1.76MA) hsync: 65.29 kHz; pclk: 146.25 MHz
Modeline "1680x1050" 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync

*or*

# 1680x1050 59.88 Hz (CVT 1.76MA-R) hsync: 64.67 kHz; pclk: 119.00 MHz
Modeline "1680x1050" 119.00 1680 1728 1760 1840 1050 1053 1059 1080 +hsync -vsync

here (the later is reduced mode, only works with LCDs (but should work
through a VGA cable as well).

Modes "1680x1050" "1600x1024" "1600x1000" "1400x1050" "1280x1024" "1440x900" "1280x960" "1366x768" "1280x800" "1152x864" "1280x768" "1024x768" "1280x600" "1024x600" "800x600" "768x576" "640x480"

Apparently you did everything correct in the configuration step.

Section "Device"
BoardName "GeForce FX 5500"
BusID "1:5:0"
Driver "nvidia"
Identifier "Device[0]"
VendorName "NVIDIA"
EndSection

Add

Option "ModeValidation" "NoEdidMaxPClkCheck,NoDFPNativeResolutionCheck"

in the "Device" section in /etc/X11/xorg.conf. Some Monitors ly about
their capabilities. If this works, please create a bug report so we can
add the monitor to the database. If it doesn't, please create a bug
report, it's probably more complicated.

Maybe you even have to add "NoEdidModes" to this list. Maybe only one of
these is enough. These options are explained in
/usr/share/doc/packages/x11-video-nvidia/README.txt
(or /usr/share/doc/NVIDIA/README.txt, depending on your installation
method).

(--) NVIDIA(0): Connected display device(s) on GeForce FX 5500 at PCI:1:5:0:
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0)
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0): 135.0 MHz maximum pixel clock

In that case you will need the reduced mode. You probably have to add it
manually. Your card and/or monitor is not dual-link capable. For more
information, you need to specify something like "-logverbose 9" to the X
command line.

Hope this helps

Matthias

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