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Adding A Second Monitor


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#1 lfinman

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Posted 15 May 2007 - 05:13 PM

Hi,

I've got a Sony VGC-RA834G which comes with an Nvidia 6600 graphics card. The graphics card has two connections--a VGA and a DVI. I have been running a 17" LCD monitor at 1280x1024 on the VGA connector until now. I own another 17" LCD monitor which I would like to connect to the same video card. I purchased a VGA to DVI adaptor, but the adaptor doesn't fit into the DVI connection on the video card.

There are four 'extra' pins on the DVI side of the CGA-DVI adaptor for which there aren't corresponding holes on the connection on the graphics card. Am I trying to do the impossible, are there multiple standards for DVI, is that a non-standard graphics card or VGA-to-DVI adaptor? Please help. I've gone from confident pseudo techie guy to :thumbsup: in about 15 minutes...

Edited by lfinman, 15 May 2007 - 05:21 PM.


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#2 Sneakycyber

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Posted 15 May 2007 - 06:13 PM

Yes there Are Several types of DVI connections.. DVI-D single, DVI-D dual link, DVI-I Dual link, DVI-I single link, and DVI-A. here are some pictures http://www.cablestogo.com/resources/dvi.asp. No your not trying to do the impossible they make DVI to VGA adapters most retail video cards come with them. Some OEM manufactures don't include them. If I have the correct picture of your 6600 I had to look at a BFG model, the DVI connector is a Type D Dual link. Hope this helps

Chad Mockensturm 

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#3 lfinman

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Posted 16 May 2007 - 08:57 AM

Very helpful! I had no idea that there were different flavors of DVI. That brings up another question, however. Both monitors that I am trying to connect have VGA (or HD-15) connections only. That leads me to believe that the monitors require an analog source. It appears that the DVI-D is digital only and that the extra pins on the DVI-I are for providing analog. Since the video card is DVI-D, does that mean that there's no way to get an analog signal to the monitor? I couldn't seem to locate any DVI-D (male) to HD-15 (female) adaptors. Thanks for your help!

#4 Sneakycyber

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Posted 16 May 2007 - 06:38 PM

Did you compare the pictures with your card and Determine that it is a DVI-D. If thats the case you may be stuck with only one monitor untill you can purchase a digital monitor or HDTV.


Edit: I found more information on the subject and you stated the extra 4 little pins in your first post. Those are the analog pins in a DVI-I connector. The DVI-D connector doesnt have them and therefore cannot be connected to an analog monitor. You can use a DVI-D to HDMI and connect it to any of the newest HDTV's available. Heres another article http://www.bluejeanscable.com/store/dvi/dvicabletypes.htm

Edited by Sneakycyber, 16 May 2007 - 06:42 PM.

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#5 lfinman

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Posted 17 May 2007 - 09:08 AM

Yes, I had checked the pictures and determined that the vid card was DVI-D, and that the adaptor was DVI-I. I went out to Fry's looking to see if I could pick up a cheap DVI-D monitor. The sales guy at Fry's, however, suggested that I swap out the vid card instead. They had an EVGA Nvidia 7600GS for $99, with a $25 mail-in rebate. $74 net was much cheaper than a new monitor, and I got on upgrade on my vid card from 6600 to 7600GS. Installed and both monitors working like a charm! Thanks for your help, Sneaky! :thumbsup:

#6 Sneakycyber

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Posted 17 May 2007 - 03:54 PM

No problem glad you got it all working, with an upgrade no less!!! :thumbsup:

Edited by Sneakycyber, 17 May 2007 - 03:54 PM.

Chad Mockensturm 

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