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Old 11-22-06, 08:55 PM   #1
flazz
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Default limited resolution: FX5500, DVI, DFP Widescreen

i have a FX5500 plugged into a Samsung SyncMaster 205bw (20" widescreen) via DVI.

using DVI i cannot get a resolution above 1024x768. i'm guessing the video card is getting some misinformation via EDID.

when i use the VGA cable i get only 1680x1050 and cannot change it.

any ideas?
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Old 11-23-06, 05:47 AM   #2
bstabile
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Exclamation Re: limited resolution: FX5500, DVI, DFP Widescreen

I have the same problem: my screen with drivers nv or nvidia under Windows runs at 1024x768, but with nvidia driver under Linux it runs at 800x600.
I have seen that a part of the screen (at left) is blank, and that nvidia-settings tells me that my screen is 969x768!!!
I think this is the real problem: nvidia driver don't view all screen.

My hardware is:
  • GeForce4 420 Go
  • TFT Screen 14,1''

My sotware:
  • Debian Gnu/Linux testing
  • NVidia driver 1.0-9629
  • xorg 7.1.0
  • kernel linux 2.6.18-2-686

I have tested a lot of configuration, but all give me same results: 800x600
With option "UseEdid" to "false" my screen become crazy.

My last xorg.conf with nvidia driver:

Quote:
...
Section "Monitor"
Identifier "Monitor Generico"
HorizSync 28.0 - 51.0
VertRefresh 43.0 - 60.0
Option "DPMS"
Modeline "1024x768_60_0" 64.11 1024 1080 1184 1344 768 769 772 795 -HSync +Vsync
Modeline "1024x768_60_1" 64.56 1024 1056 1296 1328 768 783 791 807
Modeline "1024x768_70i" 34.43 1024 1056 1184 1216 768 785 790 807 interlace
EndSection

Section "Device"
Identifier "NVIDIA Corporation NV17 [GeForce4 420 Go]"
VendorName "nVidia Corporation"
BoardName "NVIDIA GeForce4 (generic)"
Driver "nvidia"
Option "NoLogo" "true"
EndSection

Section "Screen"
Identifier "Default Screen"
Option "ExactModeTimingsDVI"
Option "UseEdidDpi" "FALSE"
Option "AddARGBGLXVisuals" "True"
Option "ModeValidation" "NoEdidDFPMaxSizeCheck, NoVesaModes"
Device "NVIDIA Corporation NV17 [GeForce4 420 Go]"
Monitor "Monitor Generico"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 4
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 8
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 15
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 16
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 24
Modes "1024x768_60_0" "1024x768_60_1" "1024x768_70i" "1024x768" "800x600"
EndSubSection
EndSection
...

log file of xorg with nv driver tells me:

Quote:
...
(**) NV(0): *Default mode "1024x768": 75.0 MHz, 56.5 kHz, 70.1 Hz
(II) NV(0): Modeline "1024x768" 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync
(**) NV(0): Default mode "1024x768": 65.0 MHz, 48.4 kHz, 60.0 Hz
(II) NV(0): Modeline "1024x768" 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync
(**) NV(0): Default mode "800x600": 50.0 MHz, 48.1 kHz, 72.2 Hz
(II) NV(0): Modeline "800x600" 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync
(**) NV(0): Default mode "800x600": 40.0 MHz, 37.9 kHz, 60.3 Hz
(II) NV(0): Modeline "800x600" 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync
(**) NV(0): Default mode "800x600": 36.0 MHz, 35.2 kHz, 56.2 Hz
(II) NV(0): Modeline "800x600" 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync
(**) NV(0): Default mode "640x480": 25.2 MHz, 31.5 kHz, 60.0 Hz
(II) NV(0): Modeline "640x480" 25.20 640 656 752 800 480 490 492 525 -hsync -vsync
(==) NV(0): DPI set to (75, 75)
...
with nvidia driver log file is:
Quote:
...
(II) NVIDIA(0): NVIDIA GPU GeForce4 420 Go at PCI:1:0:0 (GPU-0)
(--) NVIDIA(0): Memory: 16384 kBytes
(--) NVIDIA(0): VideoBIOS: 04.17.00.41.c7
(II) NVIDIA(0): Detected AGP rate: 4X
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(--) NVIDIA(0): Connected display device(s) on GeForce4 420 Go at PCI:1:0:0:
(--) NVIDIA(0): Nvidia Default Flat Panel (DFP-0)
(--) NVIDIA(0): Nvidia Default Flat Panel (DFP-0): 224.0 MHz maximum pixel
(--) NVIDIA(0): clock
(--) NVIDIA(0): Nvidia Default Flat Panel (DFP-0): Internal Dual Link LVDS
(II) NVIDIA(0): Mode Validation Overrides for Nvidia Default Flat Panel
(II) NVIDIA(0): (DFP-0):
(II) NVIDIA(0): NoVesaModes
(II) NVIDIA(0): Assigned Display Device: DFP-0
(WW) NVIDIA(0): No valid modes for "1024x768_60_0"; removing.
(WW) NVIDIA(0): No valid modes for "1024x768_60_1"; removing.
(WW) NVIDIA(0): No valid modes for "1024x768_70i"; removing.
(WW) NVIDIA(0): No valid modes for "1024x768"; removing.
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0): "800x600"
(II) NVIDIA(0): Virtual screen size determined to be 800 x 600
(==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
...
If somebody have some idea...

Bruno
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Old 11-23-06, 06:01 AM   #3
Cambo
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Both of you, look at http://www.nvnews.net/vbulletin/showthread.php?t=46678 and post the nvidia-bug-report.log, then someone can help track down what the problem is. It's probably just ModeValidation stuff that needs sorting. There are quite a few posts already about that, so you may be able to find the correct answer for your systems there.



Cambo
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Old 11-23-06, 06:22 AM   #4
bstabile
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Quote:
Originally Posted by Cambo
Both of you, look at http://www.nvnews.net/vbulletin/showthread.php?t=46678 and post the nvidia-bug-report.log, then someone can help track down what the problem is.
Oops, I forgot it.

Quote:
Originally Posted by Cambo
It's probably just ModeValidation stuff that needs sorting. There are quite a few posts already about that, so you may be able to find the correct answer for your systems there.
Cambo
I hope.

Thanks,
Bruno
Attached Files
File Type: log nvidia-bug-report.log (96.1 KB, 166 views)
File Type: log Xorg.0.log (24.6 KB, 145 views)
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Old 11-23-06, 06:39 AM   #5
Cambo
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Well, this stands out a bit;

Quote:
(WW) NVIDIA(0): Unrecognized ModeValidation token "NoEdidDFPMaxSizeCheck";
(WW) NVIDIA(0): ignoring.
You can find the X Configuration options at http://us.download.nvidia.com/XFree8...ppendix-d.html

Quote:
Option "ModeValidation" "string"

This option provides fine-grained control over each stage of the mode validation pipeline, disabling individual mode validation checks. This option should only very rarely be used.

The option string is a semicolon-separated list of comma-separated lists of mode validation arguments. Each list of mode validation arguments can optionally be prepended with a display device name.

"<dpy-0>: <tok>, <tok>; <dpy-1>: <tok>, <tok>, <tok>; ..."

Possible arguments:

*

"AllowNon60HzDFPModes": some lower quality TMDS encoders are only rated to drive DFPs at 60Hz; the driver will determine when only 60Hz DFP modes are allowed. This argument disables this stage of the mode validation pipeline.
*

"NoMaxPClkCheck": each mode has a pixel clock; this pixel clock is validated against the maximum pixel clock of the hardware (for a DFP, this is the maximum pixel clock of the TMDS encoder, for a CRT, this is the maximum pixel clock of the DAC). This argument disables the maximum pixel clock checking stage of the mode validation pipeline.
*

"NoEdidMaxPClkCheck": a display device's EDID can specify the maximum pixel clock that the display device supports; a mode's pixel clock is validated against this pixel clock maximum. This argument disables this stage of the mode validation pipeline.
*

"AllowInterlacedModes": interlaced modes are not supported on all NVIDIA GPUs; the driver will discard interlaced modes on GPUs where interlaced modes are not supported; this argument disables this stage of the mode validation pipeline.
*

"NoMaxSizeCheck": each NVIDIA GPU has a maximum resolution that it can drive; this argument disables this stage of the mode validation pipeline.
*

"NoHorizSyncCheck": a mode's horizontal sync is validated against the range of valid horizontal sync values; this argument disables this stage of the mode validation pipeline.
*

"NoVertRefreshCheck": a mode's vertical refresh rate is validated against the range of valid vertical refresh rate values; this argument disables this stage of the mode validation pipeline.
*

"NoWidthAlignmentCheck": the alignment of a mode's visible width is validated against the capabilities of the GPU; normally, a mode's visible width must be a multiple of 8. This argument disables this stage of the mode validation pipeline.
*

"NoDFPNativeResolutionCheck": when validating for a DFP, a mode's size is validated against the native resolution of the DFP; this argument disables this stage of the mode validation pipeline.
*

"NoVirtualSizeCheck": if the X configuration file requests a specific virtual screen size, a mode cannot be larger than that virtual size; this argument disables this stage of the mode validation pipeline.
*

"NoVesaModes": when constructing the mode pool for a display device, the X driver uses a built-in list of VESA modes as one of the mode sources; this argument disables use of these built-in VESA modes.
*

"NoEdidModes": when constructing the mode pool for a display device, the X driver uses any modes listed in the display device's EDID as one of the mode sources; this argument disables use of EDID-specified modes.
*

"NoXServerModes": when constructing the mode pool for a display device, the X driver uses the built-in modes provided by the core XFree86/Xorg X server as one of the mode sources; this argument disables use of these modes. Note that this argument does not disable custom ModeLines specified in the X config file; see the "NoCustomModes" argument for that.
*

"NoCustomModes": when constructing the mode pool for a display device, the X driver uses custom ModeLines specified in the X config file (through the "Mode" or "ModeLine" entries in the Monitor Section) as one of the mode sources; this argument disables use of these modes.
*

"NoPredefinedModes": when constructing the mode pool for a display device, the X driver uses additional modes predefined by the NVIDIA X driver; this argument disables use of these modes.
*

"NoUserModes": additional modes can be added to the mode pool dynamically, using the NV-CONTROL X extension; this argument prohibits user-specified modes via the NV-CONTROL X extension.

Examples:

Option "ModeValidation" "NoMaxPClkCheck"

disable the maximum pixel clock check when validating modes on all display devices.

Option "ModeValidation" "CRT-0: NoEdidModes, NoMaxPClkCheck; DFP-0: NoVesaModes"

do not use EDID modes and do not perform the maximum pixel clock check on CRT-0, and do not use VESA modes on DFP-0.
Might be worth letting the nvidia driver reading the monitor's EDID, but also use 'Option "ModeValidation" "NoDFPNativeResolutionCheck"', and see where that gets you.



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Old 11-23-06, 07:21 AM   #6
bstabile
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Quote:
Originally Posted by Cambo
Might be worth letting the nvidia driver reading the monitor's EDID, but also use 'Option "ModeValidation" "NoDFPNativeResolutionCheck"', and see where that gets you.
Cambo
Ok, this option for modevalidation isn't good.
Now, I'm going to see all other.
Thanks.

Bruno
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Old 11-23-06, 09:53 AM   #7
flazz
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

attached is my bug report log.

also if i just upgrade to a 6200 or a 6500 will i get a simmilar card that will do widescreen over DVI hassle free in linux? i've heard stories of people switching out FX5* for 6* and it automagically works. can someone reccomend a good card that will give me what i want in the price range i'm looking for?
Attached Files
File Type: log nvidia-bug-report.log (101.4 KB, 145 views)
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Old 11-23-06, 10:02 AM   #8
Cambo
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Quote:
(--) NVIDIA(0): Connected display device(s) on GeForce FX 5500 at PCI:2:0:0:
(--) NVIDIA(0): DFP-0
(--) NVIDIA(0): DFP-0: 135.0 MHz maximum pixel clock
(--) NVIDIA(0): DFP-0: Internal Single Link TMDS
There's your problem - a single link TMDS cannot cope with pumping out too many pixels per line. If you want to use higher resolutions, you'll have to use a VGA connection.

If you do decide to get a different card, make sure it has dual link TMDS. This is something that the board manufacturers can decide to reduce costs on. I would suggest avoiding any card that uses TurboCache - this uses your system memory to supplement the memory on the card (again, to reduce costs).



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Old 11-23-06, 10:10 AM   #9
bstabile
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

It not appear to be a problem of ModeValidation; I had used all value for this options, but the result is the same: screen at 800x600 and a part of screen cutted. With "NoEdidModes" I have a blank screen.

Could it be a problem of driver's options? Can I give some parameter on nvidia driver loading for this problem? Or it can be a BIOS problem?

Bruno
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Old 11-23-06, 12:36 PM   #10
netllama
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Default Re: limited resolution: FX5500, DVI, DFP Widescreen

Please start X with the following command:
startx -- -logverbose 6

and then generate and attach an nvidia-bug-report.log.

Thanks,
Lonni
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