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Shimian DVI-I vs DVI-D

post #1 of 7
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From what I can gather from various people is that there should be no difference between DVI-D and DVI-I as long as it is dual link for this monitor. The QH270 that is. I have not done much testing to compare them, however I do like one flash game called N the way of the Ninja, and when I have my monitor in my 670's DVI-I slot it this particular game stutters. At first I thought it was just a problem of the higher resolution and how I was running multimonitor now. When I disabled my other monitor it still ran slow. After switching from DVI-I to DVI-D and changing nothing else to keep the variables to a minimum the game runs perfectly fine. Also PCSX2 seems more choppy for me in DVI-I than it does in DVI-D. I am not sure if it is the way my card is handling the DVI slots, or some problem with my windows install, but it seems that DVI-I and DVI-D are not exactly the same. Even when both are sending a digital signal.
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post #2 of 7
Could be a scaler issue. DVI-I has both digital and analog signals. When available, use DVI-D. That is a pure digital output and won't confuse things.

For example: KVM switches tend to get confused with DVI-I because the video card gets weird outputting the signal, not sure whether to use digital or analog.

But yea...
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post #3 of 7
The only difference is what DaClownie mentioned. DVI-I and DVI-D support the same digital signal. It's up to the Video card/cable/monitor to actually include the support and pins for dual link operation.
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post #4 of 7
Quote:
Originally Posted by DaClownie View Post

Could be a scaler issue. DVI-I has both digital and analog signals. When available, use DVI-D. That is a pure digital output and won't confuse things.

For example: KVM switches tend to get confused with DVI-I because the video card gets weird outputting the signal, not sure whether to use digital or analog.

But yea...
Even then... The dual link cable itself does not even have the pins to transfer analogue data. A dual link dvi cable cannot transfer the analogue signal. Something else is at work here...
post #5 of 7
Quote:
Originally Posted by kevinsbane View Post

Quote:
Originally Posted by DaClownie View Post

Could be a scaler issue. DVI-I has both digital and analog signals. When available, use DVI-D. That is a pure digital output and won't confuse things.

For example: KVM switches tend to get confused with DVI-I because the video card gets weird outputting the signal, not sure whether to use digital or analog.

But yea...
Even then... The dual link cable itself does not even have the pins to transfer analogue data. A dual link dvi cable cannot transfer the analogue signal. Something else is at work here...

A Dual Link DVI-I cable, in theory, can transmit an analog signal. At least, that's what the standard dictates.
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post #6 of 7
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post #7 of 7
Quote:
Originally Posted by DaClownie View Post

A Dual Link DVI-I cable, in theory, can transmit an analog signal. At least, that's what the standard dictates.
Yeah, if you have a DL-DVI-I cable. But these monitors don't come with a dvi-i cable. Well.... At least mine didn't.
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