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Old 01-12-2007, 11:35 AM   #1
D_Rock
LQ Newbie
 
Registered: Jan 2007
Location: Twin Cities, MN
Posts: 3

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SVIDEO Out to TV


I know that there have been similar threads out there on this very subject, but try as I might, I can't get any of the previous suggestions to work. I am trying to use the S-Video out of my NVIDIA GeForce card to use the TV as my primary monitor. I get the BIOS screens and Linux bootup screens to display without any problem, but everything goes black when X starts up. TwinDisplay won't work at all, it's either all or nothing through the VGA or S-Video. (X works fine when the VGA monitor is connected). What am I doing wrong here? The NVIDIA site isn't helping me at all!

By the way, I am a proud Noob, and it took me 3 days of trial and error and error and error before I decided to ask for help. Thanks.

Here is my xorg.conf file as it is right now.

Quote:
# File generated by XFdrake (rev 41554)

# **********************************************************************
# Refer to the xorg.conf man page for details about the format of
# this file.
# **********************************************************************

Section "Files"
# font server independent of the X server to render fonts.
FontPath "unix/:-1"

# minimal fonts to allow X to run without xfs
FontPath "/usr/lib/X11/fonts/misc:unscaled"
EndSection

Section "ServerFlags"
#DontZap # disable <Crtl><Alt><BS> (server abort)
AllowMouseOpenFail # allows the server to start up even if the mouse does not work
#DontZoom # disable <Crtl><Alt><KP_+>/<KP_-> (resolution switching)
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "glx" # 3D layer
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "en_US"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
Option "ButtonMapping" "1 2 3 6 7"
Option "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
Identifier "monitor1"
VendorName "Generic"
ModelName "800x600 @ 60 Hz"
HorizSync 30-50
VertRefresh 60

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
ModeLine "768x576" 50.00 768 832 846 1000 576 590 595 630

# 768x576 @ 100 Hz, 61.6 kHz hsync
ModeLine "768x576" 63.07 768 800 960 1024 576 578 590 616
EndSection

Section "Device"
Identifier "device1"
VendorName "nVidia Corp."
BoardName "NVIDIA GeForce4 (generic)"
Driver "nvidia"
Option "DPMS"
Option "TVStandard" "NTSC-M"
Option "UseDisplayDevice" "TV"
Option "TVOutFormat" "SVIDEO"
Option "TwinView"
Option "TwinViewOrientation" "Clone"
Option "ConnectedMonitor" "Crt, TV"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultColorDepth 16

Subsection "Display"
Depth 8
Modes "800x600"
EndSubsection

Subsection "Display"
Depth 15
Modes "800x600"
EndSubsection

Subsection "Display"
Depth 16
Modes "800x600"
EndSubsection

Subsection "Display"
Depth 24
Modes "800x600"
EndSubsection

EndSection

Section "ServerLayout"
Identifier "layout1"
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
Screen "screen1"
EndSection
By the way, I've tried Slackware 11.0 and PCLinuxOS, being a windows / DOS convert, I find both easy enough at the outset, any opinions on which is better?
 
Old 01-12-2007, 02:39 PM   #2
b0uncer
LQ Guru
 
Registered: Aug 2003
Distribution: CentOS, OS X
Posts: 5,131

Rep: Reputation: Disabled
It's a long time since I last had an nVidia card, but it's the same with ATI cards too (as probably with any card); the problem is the screen resolution and/or refresh rates. When X starts, your nVidia drivers should do the job of using your TV as a second monitor and set correct parameters. I'm not sure if nVidia drivers offer a "Control Panel" like ATI's fglrx drivers (optionally), but you might have to set something there. Also it might make a difference if TV or your pc is first started; not sure, but try. Probably if you switch to console, it looks out all right; it's only your configuration (I believe xorg.conf). I fought some weeks to get my TV out work with a Radeon card, in the end it did (can't remember what I did, I tried so many things) but screen gamma went crazy and none of the tools was able to bring it back to normal unless TV was plugged out..it was a driver+card problem, I heard it happens on some cards and some drivers combinated.

Not sure what your driver does or does not do, but you could try setting your normal screen resolution/refresh rate to TV-suitable, and see if that helps on the TV; your screen picture will be crappy, but it's a test..
 
Old 01-12-2007, 02:45 PM   #3
D_Rock
LQ Newbie
 
Registered: Jan 2007
Location: Twin Cities, MN
Posts: 3

Original Poster
Rep: Reputation: 0
Quote:
Originally Posted by b0uncer
It's a long time since I last had an nVidia card, but it's the same with ATI cards too (as probably with any card); the problem is the screen resolution and/or refresh rates. When X starts, your nVidia drivers should do the job of using your TV as a second monitor and set correct parameters. I'm not sure if nVidia drivers offer a "Control Panel" like ATI's fglrx drivers (optionally), but you might have to set something there. Also it might make a difference if TV or your pc is first started; not sure, but try. Probably if you switch to console, it looks out all right; it's only your configuration (I believe xorg.conf). I fought some weeks to get my TV out work with a Radeon card, in the end it did (can't remember what I did, I tried so many things) but screen gamma went crazy and none of the tools was able to bring it back to normal unless TV was plugged out..it was a driver+card problem, I heard it happens on some cards and some drivers combinated.

Not sure what your driver does or does not do, but you could try setting your normal screen resolution/refresh rate to TV-suitable, and see if that helps on the TV; your screen picture will be crappy, but it's a test..
I did try that, and started the OS with just the TV connected via S-Video (No Monitor at all.) Everything is fine until KDE starts, and then there is nothing. I figure that I have something wrong with my xorg.conf, but I can't figure it out at all. I read through the NVIDIA tutorials, there is no NVIDIA control panel that I could find, and the suggestions that were given for altering the xorg.conf file don't seem to work for me. Maybe I just have the perameters wrong for the TV.
 
Old 01-12-2007, 06:34 PM   #4
D_Rock
LQ Newbie
 
Registered: Jan 2007
Location: Twin Cities, MN
Posts: 3

Original Poster
Rep: Reputation: 0
It figures that as soon as I ask the question, I figure it out. Thanks for your help.
 
  


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