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Old 01-30-10, 07:43 PM   #1
marcushall
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Join Date: Jan 2010
Posts: 1
Default GeForce 8200, Unable to find available Display Devices for screen 1

I am having trouble getting the HDMI output to come up if the TV isn't switched on when Mythbuntu starts up. I have tried several permutations of settings, but aparently haven't gotten things right yet.

I have captured the EDID from the device and that seems to be being handled OK. I have seen instructions to use "ConnectedMonitor" and/or "UseDisplayDevice" options, but have had no good results using them. With various instructions sometimes 3-4 years old, it's hard to tell what is still valid.
I have a feeling that some of these may be in the wrong section or something, perhaps.

Anyhow, this is my xorg.conf file:

Section "ServerFlags"
Option "Xinerama" "0"
#Option "CustomEDID" "DFP:/etc/X11/onkyo_edid.raw"
EndSection

Section "Monitor"
Identifier "Monitor0"
VendorName "Xenarc"
ModelName "700tsv"
HorizSync 31.5 - 68.7
VertRefresh 58.0 - 63.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "Onkyo"
ModelName "ONK TX-SR606"
HorizSync 15.0 - 70.0
VertRefresh 58.0 - 62.0
Option "DPMS" "OFF"
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8200"
Option "UseDisplayDevice" "CRT"
BusID "PCI:2:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8200"
Option "UseDisplayDevice" "DFP"
BusID "PCI:2:0:0"
Screen 1
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "800x600 +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "DFP: nvidia-auto-select +0+0"
Option "CustomEDID" "DFP:/etc/X11/onkyo_edid.bin"
SubSection "Display"
Depth 24
EndSubSection
EndSection


Anyhow, the Xorg.0.log file contains the following:

...
**) NVIDIA(1): Option "TwinView" "0"
(**) NVIDIA(1): Option "MetaModes" "DFP: nvidia-auto-select +0+0"
(**) NVIDIA(1): Option "CustomEDID" "DFP:/etc/X11/onkyo_edid.bin"
(**) NVIDIA(1): Option "UseDisplayDevice" "DFP"
(**) NVIDIA(1): Enabling RENDER acceleration
(II) NVIDIA(1): NVIDIA GPU GeForce 8200 (C77) at PCI:2:0:0 (GPU-0)
(--) NVIDIA(1): Memory: 524288 kBytes
(--) NVIDIA(1): VideoBIOS: 62.77.22.00.01
(--) NVIDIA(1): Interlaced video modes are supported on this GPU
(--) NVIDIA(1): Connected display device(s) on GeForce 8200 at PCI:2:0:0:
(--) NVIDIA(1): CRT-0
(--) NVIDIA(1): CRT-0: 300.0 MHz maximum pixel clock
(WW) NVIDIA(1): Option "UseDisplayDevice" requested "DFP", but no unused DFPs
(WW) NVIDIA(1): are available.
(II) NVIDIA(1): Option "UseDisplayDevice" "DFP" converted to "".
(WW) NVIDIA(1): Unable to find any of the requested display device "" in the
(WW) NVIDIA(1): list of available display devices "".
(EE) NVIDIA(1): Unable to find available Display Devices for screen 1.


and it doesn't start up screen 1. It works fine if the display is turned on, of course. Things that
I'm not clear on are:
Exactly which section do the various Option settings go into?
It's unclear whether I should be using "DFP" or "DFP-0", and in which lines.
Is there anything else that I should be doing (Probably so)?

Also, a somewhat unrelated question: Is there any way that I can turn DPMS off on the HDMI output but keep it on on the VGA output? I would like for the Xenarc display to blank, but would like the HDMI output to stay always on. Maybe this is not possible, though..

Thanks!

Marcus Hall
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