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Old 11-09-03, 10:41 AM   #1
pte
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Join Date: Jan 2003
Posts: 7
Default NVIDIA twinview

Hi!

I am trying to get twinview working for a monitor and a normal TV. Using the twinview option I can get output on my TV or on my monitor, but not both at the same time.

The most relevant part from my XF86Config is the following.

Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "Videocard vendor"
BoardName "NVIDIA GeForce FX (generic)"

# tv-out options
Option "Twinview" "yes"
Option "TwinviewOrientation" "Clone"
Option "SecondMonitorHorizSync" "30-50"
Option "SecondMonitorVertRefresh" "50"
Option "MetaModes" "800x600"
Option "ConnectedMonitor" "TV"
Option "TVStandard" "PAL-B"
Option "TVOutFormat" "SVIDEO"
EndSection

With Option "ConnectedMonitor" "TV" I get output on my tv. With the options "CRT,TV" or "TV, CRT" I get only ouput on my monitor. For "TV, CRT" the log files show that the tv is detected:

(II) NVIDIA(0): Connected display device(s):

As far as I can see there are no warnings or errors in the log files. Could someone give me some advice on getting output on both devices at the same time?

thanks,
pieter
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Old 11-09-03, 06:14 PM   #2
Def
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Location: Narvik, Norway
Posts: 5
Default

I think the problem might be your MetaModes line. It should tell X what modes to use on the devices, in relation to each other. If there is just one entry, the other will be NULL by default.
It should read something like this:

Option "MetaModes" "1024x768, 800x600; 1024x768, 640x480"

ConnectedMonitors should be "CRT, TV"
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Old 11-10-03, 06:20 PM   #3
pte
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Default

Hi!

I tried the lines:

Option "MetaModes" "800x600 @ 800x600"
Option "ConnectedMonitor" "CRT, TV"

This gives only output on my monitor, the tv remains black. I also tried other resolutions, leave out the ConnectedMonitor string etc. etc.

Is it perhaps possible that someone creates a sticky messages with some details on using twinview? It seems that there are more people having problems with this.

bye,
pieter
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Old 11-11-03, 02:39 AM   #4
Def
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Default

Well, seeing as how the other option is still NULL, I can believe you're not getting any output.

You have to list a mode for both monitor and TV, that you are not doing. They separate with a comma, not a @. And ConnectedMonitors is supposed to be plural, not singular. Don't forget the "s" on the end.
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Old 11-13-03, 02:31 AM   #5
pte
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Posts: 7
Default succes at last

Hi!

The ConnentedMonitor(s) string should not be plural according to the documentation (README from latest NVIDIA driver release).

I solved my problem by adding the lines

Option "MetaModes" "1024x768, 640x480; 640x480, 640x480"
Option "ConnectedMonitor" "CRT, TV"

and increased the SecondMonitorVertRefresh rate a bit. I think the problem was that my TV could not handle the 800x600 resolution which I used previously. With the above setup I can use X on my monitor without problems on a high resolution and whenever I want to see a movie on my TV is switch to 640x480 using CRTL-ALT-+.

thanks for all the help,
Pieter
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