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Old 09-04-05, 04:04 AM   #1
algebraist
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Default TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

i am trying to get TwinView to work on my GeForce2 Go/Dell Inspiron 8200/Fedora Core 3/GNOME system, with no success... i got the 7676 driver from nVidia's site, it installed nicely, i get the splash screen when i boot up... but the external CRT (Nanano Flexscan F550i) doesn't show anything...

attached are my xorg.conf, Xorg.0.log and nvidia-bug-report.log... i'm probably missing something really simple... just need someone to point it out to me...

thanks.
Attached Files
File Type: txt Xorg.0.log.txt (37.3 KB, 178 views)
File Type: txt xorg.conf.txt (3.2 KB, 281 views)
File Type: txt nvidia-bug-report.log.txt (92.0 KB, 153 views)
__________________
---------------------------------------------------
Dell Inspiron 8200 notebook
(1.4GHz, 512MB, 40GB
+200GB external drive,
+CRT external monitor)

nVidia GeForce2 Go

Fedora Core 3/XP dual boot
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Old 09-04-05, 05:46 AM   #2
draagyn
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

Try this:
Backup your xorg.conf.
Delete the Monitor0 section.
Change Identifier for Montior1 to Monitor0.
then..
Section "Device"
Identifier "NVIDIA GeGorce2 Go"
Driver "nvidia"
VendorName "NVIDIA"
BoardName "NVIDIA Geforce2 Go"
Option "TwinView"
Option "SecondMonitorHorizSync" "31.5-90"
Option "SecondMonitroVertRefresh" "59.0-75.00"
Option "MetaModes" "1280x1024, 1400x1050; 800x600, 1280x1024"
Option "TwinViewOrientation" "clone"
EndSection

Try this without the Option "ConnectedMonitor" "CRT, DFP"

Since I was looking at it, if all you want to do is clone, why worry about twinview? Twinview is intended to allow you to run OpenGL across both screens, combining the real-estate into one big desktop, rather than simply copying one onto the other. The extra desktop comes in handy and allows you to view many more open documents or files or whatever. Using twinview will let you drag your movies from one screen to the other while the movie is playing. Same goes for games, try playing UT2005 at 2560x1024!

The CRT is, by default, the primary display device, so it should be referenced as such.

Tag me back, I'm definitely in a Linux mood this week!
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Old 09-04-05, 07:22 AM   #3
algebraist
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

dude, draggyn, you rock! you totally made my weekend... and, incidentally, this is the first time i've actually received a solution to a problem on a forum!

apart from correcting a few typos (GeGorce, SecondMonitro) and making a few more tweaks (for identifiers that get redefined e.g. Screen up in the "ServerLayout" section etc) what you suggested worked perfectly.

so, am i to understand that when you use TwinView you don't need to define the LAPTOP monitor's screen, *just* the external monitor? is that what i was doing wrong?

in case anybody else needs it, attached is my *beatifully working* xorg.conf!!!

(in passing--i was using the "clone" option just to get TwinView working... I actually *do* use a dual-monitor configuration for the increased deskspace!!)

thanks again draggyn, for the fast, friendly reply!
Attached Files
File Type: txt xorg.conf.working.txt (3.1 KB, 396 views)
__________________
---------------------------------------------------
Dell Inspiron 8200 notebook
(1.4GHz, 512MB, 40GB
+200GB external drive,
+CRT external monitor)

nVidia GeForce2 Go

Fedora Core 3/XP dual boot
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Old 09-05-05, 05:08 PM   #4
draagyn
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

Sorry for the typos! When thinking about stuff, my brain gets way ahead of my fingers! Sucks when I'm coding.
According to the NVIDIA documentation, whenever an external monitor is hooked into a laptop, it will become the primary monitor by default. My question now becomes, are you having any problems whenever you are using the laptop only? I can't remember if we did metamodes or not, and I'm too lazy to click back and look. If it won't work, could try:
Option "ConnectedMonitor" "CRT,DFP"
Option "MetaModes" "NULL, lap_h x lap_v; othersettings...blah"

You could then "Ctrl++" until laptop became live. If you're not having a problem with it, I guess it doesn't matter, but if you are, let me know if this works (or doesn't ).

Here's my xorg.conf
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Old 09-13-05, 11:21 AM   #5
algebraist
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

Hi draggyn. Sorry it took me a while to write back... I didn't unplug my external monitor, because I didn't want to break something that was working

Well, I used your suggestion, and I can now use the laptop when the external CRT is unplugged (i DO have to cycle through Ctrl-Alt-+)... but I get one huge virtual desktop that stretches beyond the laptop monitor... Is this normal? Is there a way to set the mode so that when there's no external CRT, the laptop screen is fully utilized? (Do you know what I mean?)

The relevant details from my xorg.conf are below. You'll see the NULL, 1400x1050 line... but it's not working right...


Any suggestions?

Thanks!

-------------------------
Section "Monitor"
Identifier "Monitor0"
VendorName "Nanao"
ModelName "Nanao Flexscan F550i"
HorizSync 30.0 - 65.0
VertRefresh 55.0 - 90.0
Option "dpms"
EndSection
...
Section "Device"
Identifier "NVIDIA GeForce2 Go"
Driver "nvidia"
VendorName "NVIDIA"
BoardName "NVIDIA Geforce2 Go"
Option "TwinView" "true"
Option "SecondMonitorHorizSync" "30-65"
Option "SecondMonitorVertRefresh" "55-90"
Option "MetaModes" "1280x1024, 1400x1050; 800x600, 1280x1024; NULL, 1400x1050"
#Option "TwinViewOrientation" "clone"
Option "ConnectedMonitor" "DFP, CRT"
EndSection

Section "Screen"
Identifier "NVIDIA GeForce2 Go"
Device "NVIDIA GeForce2 Go"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 16
Modes "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1400x1050" "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
__________________
---------------------------------------------------
Dell Inspiron 8200 notebook
(1.4GHz, 512MB, 40GB
+200GB external drive,
+CRT external monitor)

nVidia GeForce2 Go

Fedora Core 3/XP dual boot
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Old 09-13-05, 10:39 PM   #6
draagyn
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

Just on a hunch, maybe try leaving out the NULL?
<draagyn breaking out instructions/>
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Old 09-13-05, 11:01 PM   #7
draagyn
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Default Re: TwinView not working--Geforce2 Go/Fedora Core 3/xorg.conf

The only other thing I can find is to use "hotkey switching", where the NVIDIA chip will cycle through all attached devices and combinations of those devices. this works outside of twinview, and from what I can gather, can not work with it. So I think this defeats the purpose. The smaller resolution device would pan within the area of the larger device, but from what I understand, you would still have to do a xinerama style config, but the documaentation is not too specific on this. Interesting experiment!
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