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post #21 of 25
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Quote:
Originally Posted by pharcycle View Post

These graphics cards can only output to 2x dvi-type interfaces at any one time (hdmi uses dvi video so is included in this figure). I don't know the exact reason why you need an active adapter but going by the typical definition of active vs passive it would imply to me that a display port is capable of outputting dvi video too and therefore a passive adapter just does a pin swap and socket conversion to allow you to plug a dvi cable into it. However this takes up 1 of your 2 allowable dvi outputs for your card.

.

this kind of makes sense so even though the pc is converting the signal it is still being sent out as dvi and not display port. One of these days I'm sure i'll spend the 10 dollars for a DP to mini DP cable but at the moment i'm still upset that it didn't work. Why does it have to be so difficult? why cant you just connect 3 vgas or 3 dvis or 3 hdmis whats with this combination BS??? The third monitor is reall unnecessary but I'd really like to see what its like to have that much desktop space!

bump for anyone who can shed some insight on the DP cable vs active DP converter
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The Shogun
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post #22 of 25
Active vs passive has been covered many times. It has to do with some complicated timing stuff. Just do a search.
post #23 of 25
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Quote:
Originally Posted by simplec6 View Post

Active vs passive has been covered many times. It has to do with some complicated timing stuff. Just do a search.

I guess i'll search it more indepth later but seriously couldn't AMD come up with a way around it? I guess the display port option was their way around "it" or whatever their reasoning for having to do it that way in the first place?
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The Shogun
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post #24 of 25
I think it comes down to 3 things... Price, price, price! Plus probably 90% of their target market won't ever use more than 1 monitor! Dvi is quite an old spec though, they could argue that they're trying to promote display port over dvi. You get some cards like sapphires offerings which can output to 3x dvi ports but they basically have internal display port adapters.

Wait to you start to have problems with vsync on the display port monitor- a whole heap of fun waiting for you there!
 
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post #25 of 25
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Quote:
Originally Posted by pharcycle View Post

I think it comes down to 3 things... Price, price, price! Plus probably 90% of their target market won't ever use more than 1 monitor! Dvi is quite an old spec though, they could argue that they're trying to promote display port over dvi. You get some cards like sapphires offerings which can output to 3x dvi ports but they basically have internal display port adapters.

Wait to you start to have problems with vsync on the display port monitor- a whole heap of fun waiting for you there!

I'd really like to have a real eyefinity set up but I don't have the money for additional monitors or anywhere near the pc power to run it frown.gif getting the full upgrade would run about another 1000-1200 dollars if i wanted to run 2 koreans and buy another 7970 atleast! even then i would probably need more then just 2 7970 because i can't even max crysis 3 on one monitor let alone across 3. I really love my pc gaming hobby, building and upgradeing frequently is what i love but the funds just aren't there for me sadly. I was even contemplating building a small HTPC for the living room and then again i realized money is an issue.

for now 2 monitors will do and one day i'll see about snatching a DP cable just to run a 3rd for the hell of it!
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The Shogun
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