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 Forum index » Advanced Topics » Hardware » Video
How to use the composite video jack of my laptop?
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bugminer

Joined: 25 Jul 2011
Posts: 26

PostPosted: Sat 30 Jul 2011, 22:19    Post subject:  How to use the composite video jack of my laptop?
Subject description: To hook up an extra display.
 

Hopefully I'm starting a thread in the right spot this time, lol! On my Toshiba Tecra 8000 laptop it has a composite video out rca socket. Today for something to do I decided to hook up a monitor to it and see if it was going. Nope! Not surprising though.

I looked in system information for clues to how to get working, I noticed when I clicked on "Display" that under "Extensions" it says "Composite". Does this mean there is some way to turn it on?

I don't desperately need the rca video out but I thought it could be fun.

could it be used as a second monitor in linux?

Thanks for any advice/help. I have puppy linux 5.2.5.
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rjbrewer


Joined: 22 Jan 2008
Posts: 4422
Location: merriam, kansas

PostPosted: Sat 30 Jul 2011, 23:14    Post subject: Re: Display extensions?  

bugminer wrote:
Hopefully I'm starting a thread in the right spot this time, lol! On my Toshiba Tecra 8000 laptop it has a composite video out rca socket. Today for something to do I decided to hook up a monitor to it and see if it was going. Nope! Not surprising though.

I looked in system information for clues to how to get working, I noticed when I clicked on "Display" that under "Extensions" it says "Composite". Does this mean there is some way to turn it on?

I don't desperately need the rca video out but I thought it could be fun.

could it be used as a second monitor in linux?

Thanks for any advice/help. I have puppy linux 5.2.5.


Composite video goes to something like a vcr or tv with a composite
input jack; much like svideo.

Works okay with Ubuntu, but haven't found a Puppy that will do
it right. Usually doesn't do color when it is partially working.

Could be the laptops I tried weren't up to the task. (Dells)

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bugminer

Joined: 25 Jul 2011
Posts: 26

PostPosted: Sat 30 Jul 2011, 23:25    Post subject:  

Hi rjbrewer, Yeah, I know what it is (ty though!).

I was just curious to know if it had to be turned on somewhere in puppy or if it was turned on by default.
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rjbrewer


Joined: 22 Jan 2008
Posts: 4422
Location: merriam, kansas

PostPosted: Sun 31 Jul 2011, 00:40    Post subject:  

bugminer wrote:
Hi rjbrewer, Yeah, I know what it is (ty though!).

I was just curious to know if it had to be turned on somewhere in puppy or if it was turned on by default.


Lobsters setups are the only ones I remember.

http://www.murga-linux.com/puppy/viewtopic.php?t=14261

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Full installs

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Dougal


Joined: 19 Oct 2005
Posts: 2505
Location: Hell more grotesque than any medieval woodcut

PostPosted: Mon 01 Aug 2011, 15:09    Post subject:  

"xrandr -q" will probably tell you if its recognized and, if it is, let you turn it on.
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puppyluvr


Joined: 06 Jan 2008
Posts: 3195
Location: Chickasha Oklahoma

PostPosted: Mon 01 Aug 2011, 16:49    Post subject:  

Very Happy Hello,
Enabling Composite under Display has to do with Composite Display via a compositing manager like xcompmgr, not an output choice...

I have to ask, when you say a Composite output, please describe it..
The little yellow RCA jack should be always on...
Generally, only S-Video needs to be switched...

Quote:
$ xrandr --output S-video --set load_detection 1
$ xrandr --addmode S-video 800x600
$ xrandr --output S-video --mode 800x600

And set mode PAL or NTSC with:

$ xrandr --output S-video --set tv_standard ntsc

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bugminer

Joined: 25 Jul 2011
Posts: 26

PostPosted: Mon 01 Aug 2011, 18:55    Post subject:  

Yeah, I mean the yellow RCA jack.

I want to use it and the main screen, not instead of the main screen.

Also, I know nothing about xrandr stuff.
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