BlackWidowZ

Im looking to go DVI instead of VGA is there a touch screen that has DVI input for the video signal I can run off my video card?

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MatrixPC

I don't think any screen 7-10 inch has DVI input.
Well, I haven't run into one if any.

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BlackWidowZ

Then I will just have to make a 15inch monitor work somewhere!

FusionFanatic

...or you could just use VGA instead. DVI-I > VGA adapters are a dime-a-dozen

what is the reason you need DVI so bad? you won't notice any difference between the two interfaces unless you bought an expensive monitor. the monitor you use would have to be "true DVI" (in otherwords, the monitor itself must use DVI, not just the cable )

keep in mind that many LCD monitors with DVI inputs still go through an analog > digital conversion anyways, which eliminates any benefits of the DVI interface. if the monitor you buy is available in both VGA and DVI versions, then chances are it's the same monitor and controller board inside regardless of which interface it uses. you can often tell just by looking at the connector on the monitor (or the monitor cable, if it's attached). if it uses a DVI-D connector, then it's a true digital input, but if it uses a DVI-I connector then it accepts both digital and analog inputs, meaning it still has to go through an a conversion process before displaying the image.

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BlackWidowZ

I hear what you are saying but my video card has a DVI output only. Yes it came with the adapters, but it makes a world of difference going thru digital than analog. That why I asked if they made a true Digital 7-10inch touchscreen monitors yet, seems as if you can get better native resolutions from Digital than Analog.
Video looks so good on my Samsung with DVI-D.

FusionFanatic

it may be "DVI-only" in terms of it's connector (almost all video cards are nowadays), but if it came with VGA adapters then it is not digital-only. the video card has DVI-I outputs which have both digital AND analog output pins. there are no electronics in those adapters, they simply remap the analog pins to match the D-sub connector.


there is a difference, and it's noticable but it's not a night/day difference. and since most monitors are not true digital anyways, in most cases even if it has a DVI input, it's not actually digital.


that's not what you asked... you asked "is there a touch screen that has DVI input". but to answer your now, more specific question, then answer is.... no.


perhaps, but that is mainly because digital-only monitors tend to be higher quality in general. I don't think it's directly related to the interface itself. you can get high resolutions on VGA as well. but unfortunately, small LCDs computer monitors don't offer high resolutions yet. most 7" models are 800x480 native, and most 8" models are 800x600 native. those resolutions are still much lower than what the analog interface is capable of. the main advantage of the digital signal is that it avoids the video quality loss from the A>D conversion process, if the signal stays digital the whole time then it will result in a better picture.


what model?

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