f1ss1on
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Hey guys, recently picked up a 3rd GTX 970SC to add into my rig. Question is, now I have 3 HDMI ports and a Triple monitor setup. Should I utilize the 3 HDMI ports or continue using the One HDMI port and 2 DVI ports on my main card?
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grimmace
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Saturday, March 07, 2015 10:01 PM
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For SLI, it should all be from one card I believe.
post edited by grimmace - Saturday, March 07, 2015 10:09 PM
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bdary
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Saturday, March 07, 2015 10:20 PM
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☼ Best Answerby f1ss1on Sunday, March 08, 2015 0:00 PM
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Moki82
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Saturday, March 07, 2015 10:48 PM
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My first reaction is that you should not use HDMI. That interface is capped at 60 HZ, so if you got monitors with a higher refresh rate than 60 you are missing out.
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f1ss1on
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Sunday, March 08, 2015 0:00 PM
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exilelrrp
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Sunday, March 08, 2015 8:20 AM
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Moki82
My first reaction is that you should not use HDMI. That interface is capped at 60 HZ, so if you got monitors with a higher refresh rate than 60 you are missing out.
you have my attention here, ok I'm running my setup on HDMI and I have a Sharp Aquos Quattron 46'' 120Hz Fine Motion Enhanced, but it only gives the option of 60Hz, I would like to know if it's really the HDMI that's not allowing me to run it at 120Hz?
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bdary
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Sunday, March 08, 2015 2:58 PM
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ManBearPig
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Sunday, March 08, 2015 7:27 PM
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exilelrrp
Moki82
My first reaction is that you should not use HDMI. That interface is capped at 60 HZ, so if you got monitors with a higher refresh rate than 60 you are missing out.
you have my attention here, ok I'm running my setup on HDMI and I have a Sharp Aquos Quattron 46'' 120Hz Fine Motion Enhanced, but it only gives the option of 60Hz, I would like to know if it's really the HDMI that's not allowing me to run it at 120Hz?
That is because TVs don't have real 120hz. They accept 60hz and interpolate a frame between each real frame. It just draws a fake frame in between your two real frames, hence the fake 120hz. Where computer monitors have real 120hz, accepts 120hz and shows all 120 frames given from your computer.
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deFiniLoGy
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Sunday, March 08, 2015 8:53 PM
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I think you should use the card with the highest PCI-E bandwith, which is generally the card in the top slot.
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exilelrrp
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 1:32 AM
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ManBearPig
exilelrrp
Moki82
My first reaction is that you should not use HDMI. That interface is capped at 60 HZ, so if you got monitors with a higher refresh rate than 60 you are missing out.
you have my attention here, ok I'm running my setup on HDMI and I have a Sharp Aquos Quattron 46'' 120Hz Fine Motion Enhanced, but it only gives the option of 60Hz, I would like to know if it's really the HDMI that's not allowing me to run it at 120Hz?
That is because TVs don't have real 120hz. They accept 60hz and interpolate a frame between each real frame. It just draws a fake frame in between your two real frames, hence the fake 120hz. Where computer monitors have real 120hz, accepts 120hz and shows all 120 frames given from your computer.
So you're saying it doesn't matter if your LED Smart TV is 120Hz or 240Hz, setup as a "PC Monitor" with either HDMI or DVI it will always be the same option 60Hz... 
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Moki82
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 1:57 AM
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exilelrrp
Moki82
My first reaction is that you should not use HDMI. That interface is capped at 60 HZ, so if you got monitors with a higher refresh rate than 60 you are missing out.
you have my attention here, ok I'm running my setup on HDMI and I have a Sharp Aquos Quattron 46'' 120Hz Fine Motion Enhanced, but it only gives the option of 60Hz, I would like to know if it's really the HDMI that's not allowing me to run it at 120Hz?
Yes! HDMI have a maximum refresh rate (hz) of 60. As ManBearPig said it has to do with TVs. HDMI is designed to be used with those and not monitors. If you have a TV that has a high refresh rate you will not get over 60. Compared to monitors TVs have a "false" refresh rate, in the case that they will not accept a high refresh rate signal. But you will get 2x60, 60 images two times each. If you use DisplayPort (this one also carries digital sound) or DVI Dual link you will get those 120/144HZ on your monitor.
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ManBearPig
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 2:22 AM
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exilelrrp
So you're saying it doesn't matter if your LED Smart TV is 120Hz or 240Hz, setup as a "PC Monitor" with either HDMI or DVI it will always be the same option 60Hz...
It is just a marketing ploy for TV manufacturers. TV manufacturers will claim 120Hz, 240Hz, up to 600Hz; but you aren't really getting what you think. All TVs accept 60Hz from the input, and just make up every frame in between the 60 frames it gets from the input. If your TV says 120Hz, it is taking the 60 frames from your input and just guesses what the frame in between each frame would be. If you have 240Hz, you get 3 frames the TV guesses should be put in between every real frame from the input. The TVs just interpolate frames in between the real ones, it's not real 120Hz. There are A FEW TVs that have real 120Hz, but more so than not, it's going to be fake 120Hz. Where computer monitors that are real 120 or 144Hz actually accept 120 or 144Hz from the input. There is no interpolation and doesn't have to guess fake frames in between each.
post edited by ManBearPig - Monday, March 09, 2015 2:25 AM
 
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wmmills
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 2:57 AM
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ManBearPig
exilelrrp
So you're saying it doesn't matter if your LED Smart TV is 120Hz or 240Hz, setup as a "PC Monitor" with either HDMI or DVI it will always be the same option 60Hz...
It is just a marketing ploy for TV manufacturers. TV manufacturers will claim 120Hz, 240Hz, up to 600Hz; but you aren't really getting what you think. All TVs accept 60Hz from the input, and just make up every frame in between the 60 frames it gets from the input. If your TV says 120Hz, it is taking the 60 frames from your input and just guesses what the frame in between each frame would be. If you have 240Hz, you get 3 frames the TV guesses should be put in between every real frame from the input. The TVs just interpolate frames in between the real ones, it's not real 120Hz. There are A FEW TVs that have real 120Hz, but more so than not, it's going to be fake 120Hz.
Where computer monitors that are real 120 or 144Hz actually accept 120 or 144Hz from the input. There is no interpolation and doesn't have to guess fake frames in between each.
+1.... and its used for all that subliminal imaging you hear about. :P
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Moki82
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 3:03 AM
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ManBearPig
It is just a marketing ploy for TV manufacturers. TV manufacturers will claim 120Hz, 240Hz, up to 600Hz; but you aren't really getting what you think. All TVs accept 60Hz from the input, and just make up every frame in between the 60 frames it gets from the input. If your TV says 120Hz, it is taking the 60 frames from your input and just guesses what the frame in between each frame would be. If you have 240Hz, you get 3 frames the TV guesses should be put in between every real frame from the input. The TVs just interpolate frames in between the real ones, it's not real 120Hz. There are A FEW TVs that have real 120Hz, but more so than not, it's going to be fake 120Hz.
Where computer monitors that are real 120 or 144Hz actually accept 120 or 144Hz from the input. There is no interpolation and doesn't have to guess fake frames in between each.
True! But if you have the TV in "game mode" the "guessing process" is off. It takes the TV time to guess those frames, and do the post processing that is required. The TV needs two real frames to guess the third in the middle, and it wont display the first frame until it is done with that task. That ads up to a quite noticeable input lag. So if your TV is in game mode you will not get the guessed frames, just the 60. 60x2 for a 120hz TV
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exilelrrp
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Re: GTX 970SC 3 Way SLI. Should I use each HDMI port on each card for triple monitor setup
Monday, March 09, 2015 7:12 AM
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ManBearPig
exilelrrp
So you're saying it doesn't matter if your LED Smart TV is 120Hz or 240Hz, setup as a "PC Monitor" with either HDMI or DVI it will always be the same option 60Hz...
It is just a marketing ploy for TV manufacturers. TV manufacturers will claim 120Hz, 240Hz, up to 600Hz; but you aren't really getting what you think. All TVs accept 60Hz from the input, and just make up every frame in between the 60 frames it gets from the input. If your TV says 120Hz, it is taking the 60 frames from your input and just guesses what the frame in between each frame would be. If you have 240Hz, you get 3 frames the TV guesses should be put in between every real frame from the input. The TVs just interpolate frames in between the real ones, it's not real 120Hz. There are A FEW TVs that have real 120Hz, but more so than not, it's going to be fake 120Hz.
Where computer monitors that are real 120 or 144Hz actually accept 120 or 144Hz from the input. There is no interpolation and doesn't have to guess fake frames in between each.
Thank You. Moki82
ManBearPig
It is just a marketing ploy for TV manufacturers. TV manufacturers will claim 120Hz, 240Hz, up to 600Hz; but you aren't really getting what you think. All TVs accept 60Hz from the input, and just make up every frame in between the 60 frames it gets from the input. If your TV says 120Hz, it is taking the 60 frames from your input and just guesses what the frame in between each frame would be. If you have 240Hz, you get 3 frames the TV guesses should be put in between every real frame from the input. The TVs just interpolate frames in between the real ones, it's not real 120Hz. There are A FEW TVs that have real 120Hz, but more so than not, it's going to be fake 120Hz.
Where computer monitors that are real 120 or 144Hz actually accept 120 or 144Hz from the input. There is no interpolation and doesn't have to guess fake frames in between each.
True!
But if you have the TV in "game mode" the "guessing process" is off. It takes the TV time to guess those frames, and do the post processing that is required. The TV needs two real frames to guess the third in the middle, and it wont display the first frame until it is done with that task. That ads up to a quite noticeable input lag.
So if your TV is in game mode you will not get the guessed frames, just the 60. 60x2 for a 120hz TV
I do have it on Game Mode.  Thanx for the info.
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