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Five displays on eyefinity question

Last response: in Graphics & Displays
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May 13, 2014 7:11:01 AM

Hello there, I am ready to buy a xFx R9 280x and i wanna know if can i have five displays on it without a hub on DP ports. That board have two DVI Ports, two Mini Display-Ports and one HDMI Port: http://www.newegg.com/Product/Product.aspx?Item=N82E168...



So, i want to connect five displays without use a mst hub for a Mini Display-Port, can i set something like that?

#1 Display: on First DVI Port
#2 Display: on Second DVI Port
#3 Display: on HDMI Port
#4 Display: on First Mini-DP Port (By using a Mini-DP -> DVI adapter)
#5 Display: on Second Mini-DP Port (By using a Mini-DP -> DVI adapter)

Thanks in advance :) 
May 13, 2014 7:37:04 AM

No; you can only use two non-DP screens at once. As such, one of your DVI/HDMI screens won't work.

Also, your mDP > DVI adapters need to be active, not passive.
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May 15, 2014 1:32:38 PM

Someone Somewhere said:
No; you can only use two non-DP screens at once. As such, one of your DVI/HDMI screens won't work.

Also, your mDP > DVI adapters need to be active, not passive.


I did read about that but actualy i can... i am using a R9 270 (non x) with three displays... two on dvi ports and one on hdmi port... and it is doing well...
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May 15, 2014 5:27:40 PM

insolito said:
Someone Somewhere said:
No; you can only use two non-DP screens at once. As such, one of your DVI/HDMI screens won't work.

Also, your mDP > DVI adapters need to be active, not passive.


I did read about that but actualy i can... i am using a R9 270 (non x) with three displays... two on dvi ports and one on hdmi port... and it is doing well...

I am curious about this. Could you perhaps answer a few questions? I had heard that the newer AMD cards supported 3 monitors, but that they were rather picky in that all 3 needed to be the same monitor?

1. Are all 3 monitors the same model (or are two monitors the same model)?
2. If they are different models, do they all have the same resolution and refresh rate?

Anyways, insolito is right in that the rest of the monitors will need to be pure Displayport or use a true active Displayport to DVI/HDMI converter like this:
http://www.monoprice.com/Product?c_id=104&cp_id=10428&c...

Of course, maybe your video card is an exception, that doesn't need this requirement, like noted here:
http://support.amd.com/en-us/search/faq/12
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May 16, 2014 8:17:26 PM

KevinAr18 said:

1. Are all 3 monitors the same model (or are two monitors the same model)?
2. If they are different models, do they all have the same resolution and refresh rate?


in this GPU im using three samsung sa300 at same resolution/refresh rate...

just something to consider: I cant plug in the displays and select 3x1 or 1x3 on eyefinity options... i can see only 2x1 and 1x2 modes...

To see 3x1 and 1x3 displays orientations on eyefinity properties i need to start my computer with the three displays CONNECTED... With this i can select and manage all the three displays w/o use a DP Port...
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May 19, 2014 11:35:29 AM

insolito said:
KevinAr18 said:

1. Are all 3 monitors the same model (or are two monitors the same model)?
2. If they are different models, do they all have the same resolution and refresh rate?


in this GPU im using three samsung sa300 at same resolution/refresh rate...

just something to consider: I cant plug in the displays and select 3x1 or 1x3 on eyefinity options... i can see only 2x1 and 1x2 modes...

To see 3x1 and 1x3 displays orientations on eyefinity properties i need to start my computer with the three displays CONNECTED... With this i can select and manage all the three displays w/o use a DP Port...


Thanks a lot for that info. I was curious about the 3 monitor setup on the newer AMD cards... and whether they needed to all be the same model. Well, I am still not 100% sure, but now I do know enough to maybe give you an answer to your question (as opposed to my question :)  ).

Since the first 3 monitors are all the same model and you know all 3 already work ...
then, to add the 4th and 5th monitor, just use the other two Displayport ports.

You might even be able to use a different monitor and resolution for the 4th and 5th monitor, especially if they are not used for gaming, but I'm not sure. I would need to look it up to find out for sure.

The setup you mentioned should work just fine:
#4 Display: on First Mini-DP Port (By using a Mini-DP -> DVI adapter)
#5 Display: on Second Mini-DP Port (By using a Mini-DP -> DVI adapter)

You should not need a special "active" adapter, just any regular adapter/cable.
Note: the adapters are limited to a resolution of around 1920x1200@60Hz (unless you get a special ~$100 one)... but this is fine since your monitors are 1920x1080@60Hz
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May 19, 2014 1:20:26 PM

KevinAr18 said:


then, to add the 4th and 5th monitor, just use the other two Displayport ports.



Thanks but this board (R9 270) have only a Display Port, my questions was if i can set up five displays on a R9 280x because it have two Display Ports...

But anyway, i will try to connect a #4 display on my actual board by using the Display Port. So, if it works i will be able to buy a R9 280x and try to connect the 5 displays...

Thanks a lot Bro! :) 

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