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Old 09-03-09, 07:10 PM   #1
gardara
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Default Triple monitors, not possible?

I have a laptop with a nvidia 9500m GS graphics card and three outputs, svideo, vga, dvi.

I am trying to have two extra monitors, one in the dvi port and one in the vga. the nvidia control panel detects them both but only has option for twinview, not triple or whatever...
I tried to enable them all with twinview but only two of them appeared.

Is this possible or not, and if it is, how?
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Old 09-03-09, 07:49 PM   #2
AaronP
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Default Re: Triple monitors, not possible?

No, you can have at most two display devices enabled at once.
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Old 09-03-09, 07:50 PM   #3
JaXXoN
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Default Re: Triple monitors, not possible?

Hi!

My understanding is that the GPUs have only two physical video outputs that can
be routed to either of the three connectors or the build-in panel. Consequently,
you can't create a triple head setup by simply plugging-in display devices to all
available connectors.

However, it is possible to connect three 1680x1050 LCD trough the DVI output
with additional external hardware (providing the DVI is a dual link type):

http://www.nvnews.net/vbulletin/showthread.php?t=126134

regards

Bernhard
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Old 09-04-09, 10:26 AM   #4
gardara
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Default Re: Triple monitors, not possible?

Quote:
Originally Posted by JaXXoN View Post
Hi!

My understanding is that the GPUs have only two physical video outputs that can
be routed to either of the three connectors or the build-in panel. Consequently,
you can't create a triple head setup by simply plugging-in display devices to all
available connectors.

However, it is possible to connect three 1680x1050 LCD trough the DVI output
with additional external hardware (providing the DVI is a dual link type):

http://www.nvnews.net/vbulletin/showthread.php?t=126134

regards

Bernhard
Thanks for the reply.

So the limitations are physical and can't be hacked or faked somehow with software?

The external hardware solution sounds interesting but does that require all the screens to have the same resolution?

And how can I be sure the DVI is a dual link type, so this method would actually work?
Or does it work with most dvi outputs?
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Old 09-04-09, 11:25 AM   #5
JaXXoN
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Default Re: Triple monitors, not possible?

Quote:
Originally Posted by gardara View Post
So the limitations are physical and can't be hacked or faked somehow with software?
To my knowledge, that's correct.

Quote:
Originally Posted by gardara View Post
The external hardware solution sounds interesting but does that require all the screens to have the same resolution?
Yes, this is a firm requirement. Maximum per LCD is 1680x1050.
(three LCDs together 5040x1050).

Quote:
Originally Posted by gardara View Post
And how can I be sure the DVI is a dual link type, so this method would actually work?
Or does it work with most dvi outputs?
To my knowledge, 9000 series GPU all have DL-DVI, but would be good if
somebody could confirm this.

regards

Bernhard
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