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Author Topic: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable  (Read 12531 times)

mouser

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Just a tip for others like me who have managed to live under a rock for the last couple of years, that if you are using a monitor with resolution higher than 1920x1080, you need to make sure you have DUAL LINK DVI cables (not single-link DVI cables).

I mistakenly connected a higher resolution monitor with a SINGLE LINK DVI cable today and the image was all degraded, but there was no error or message telling me why.

For more: http://hexus.net/tec...vi-single-dual-link/

Fishous

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #1 on: February 22, 2014, 05:36:52 AM »
Well, not exactly.

Single Link DVI is limited to 1920x1200 @ 60 Hz.

Dual Link DVI can support up to 2560x1600 @ 60 Hz.

With a lowering of refresh rate, you can go higher.

Future proof yourself and only buy dual link DVI cables.

mouser

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #2 on: February 22, 2014, 05:57:34 AM »
thanks for the clarification fishous.

Stoic Joker

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #3 on: February 22, 2014, 09:28:19 AM »
Another thing to watch for is the DVI-I vs. DVI-D distinction. DVI-I has the 4 pin analog signal necessary for conversion to VGA, while DVI-D does not.

DVI-I vs. D.jpg

mouser

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #4 on: February 22, 2014, 09:35:51 AM »
now i remember why my brain shut down when trying to figure out what DVI cable to buy..

Innuendo

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #5 on: February 22, 2014, 10:33:27 AM »
Newer is better...right?  ;)

Deozaan

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Re: For monitor resolution above 1920x1080, you need a DUAL LINK DVI cable
« Reply #6 on: February 28, 2014, 03:47:04 AM »
Just go for HDMI cables. That will end all your problems as long as you remember to get the HDMI 2.0+ cables! :P