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6870 multi display issue

Last response: in Graphics & Displays
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February 4, 2012 11:22:54 PM

I tried to run three monitors (all at 1680x1050) by using two dvi cables and one hdmi to dvi cable. this didnt work and i found out that to use 3 monitors a mini displayport must be used. So im wondering if i am able to use 1 dvi cable, 1 hdmi to dvi cable, and 1 mini displayport to dvi cable. would that work???
a b U Graphics card
a b C Monitor
February 5, 2012 2:55:11 AM

rowdyiqballs said:
I tried to run three monitors (all at 1680x1050) by using two dvi cables and one hdmi to dvi cable. this didnt work and i found out that to use 3 monitors a mini displayport must be used. So im wondering if i am able to use 1 dvi cable, 1 hdmi to dvi cable, and 1 mini displayport to dvi cable. would that work???

Yes. But make sure you buy an active minidisplay port to dvi converter. Actually, you do not need to use an HDMI to dvi cable*. You can plug in the 2nd DVI cable into the DVI-S so you will have 2xDVI + 1 mini displayport to dvi cable.

What is your graphics card brand & model?

*Note: You can use either the DVI-S or the HDMI but not at the same time.
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February 5, 2012 6:31:01 AM

its a xfx radeon hd 6870. thx for the reply!
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a b U Graphics card
a b C Monitor
February 5, 2012 7:02:47 AM

rowdyiqballs said:
its a xfx radeon hd 6870. thx for the reply!

Okay, it is quite standard connectivity: 1xDVI + 1xDVI-S, 1xHDMI (but you can use either the DVI-S or this) & 2 x miniDP.
If you haven't bought any adaptor yet, just use the following connection:

-----------------------Graphics Card Port
Monitor 1 <---------> DVI (via direct DVI cable)
Monitor 2 <---------> DVI-S (via direct DVI cable)
Monitor 3 <--------->miniDP (via miniDP to DVI active adaptor + DVI to DVI cable)

If you have already bought the HDMI to DVI cable ( too bad because you don't really need it ), then you can use the following configuration:

-----------------------Graphics Card Port
Monitor 1 <---------> DVI (via direct DVI cable)
Monitor 2 <--------->HDMI (via HDMI to DVI cable )
Monitor 3 <--------->miniDP (via miniDP to DVI active adaptor + DVI to DVI cable)

Here is the sample miniDP to DVI adaptor. You can choose other brands that fits your budget. Some are as low as $10.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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March 6, 2012 10:57:42 PM

Best answer selected by rowdyiqballs.
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a c 169 U Graphics card
a b C Monitor
March 7, 2012 8:26:49 AM

This topic has been closed by Maziar
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