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2 DVI, 1 HDMI Eyefinity?

Last response: in Graphics & Displays
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May 23, 2012 12:09:23 AM

I have a single Diamond Radeon HD 5770 in my machine. I was wondering if I could do a triple monitor Eyefinity via 2 DVI out, and the HDMI rather than the display port. I read you always need to use the display port, why? If their all digital outs?

More about : dvi hdmi eyefinity

a b U Graphics card
May 23, 2012 2:59:07 AM

That's the way the cookie crumbles. You need to have 1 active displayport adapter.

An alternative is to purchase a sapphire FLEX 6770 which eliminates the need for those adapters. Be aware though, you will not have a good experience if you were to use a single or xfire 5770/6770's to run eyefinity gaming if that's what you are doing it for.

http://www.amd.com/us/products/technologies/amd-eyefini...
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a b U Graphics card
May 23, 2012 3:54:58 AM

^+1. Even a single 6950 2GB struggles with 5760x1080. Buy if you just want to get a feel of what Eyefinity is all about & you already got the triple monitors, then an active dp-dvi adaptor is just a small investment. It will be worth it because you can still use it when you go big time with Eyefinity.
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May 23, 2012 10:33:04 AM

Okay, I had 3 old VGA Monitors. I've used two DVI-I to VGA converters for double eyefinity, the Display port to VGA should work too right? Im just testing, they are 15. 1024 x 768 monitors. My single 5770 should handle a few test runs of MW2, right?
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a c 291 U Graphics card
May 23, 2012 10:36:38 AM

Yes it should.
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a b U Graphics card
May 23, 2012 1:43:06 PM

millions1030 said:
Okay, I had 3 old VGA Monitors. I've used two DVI-I to VGA converters for double eyefinity, the Display port to VGA should work too right? Im just testing, they are 15. 1024 x 768 monitors. My single 5770 should handle a few test runs of MW2, right?

Sure. No harm in trying now since you got all necessary components for Eyefinity. Good Luck!
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a b U Graphics card
May 23, 2012 2:37:04 PM

The reason you need the display port adapter is the internal clock setup. Basically on the 5 series cards from ATI, one of the HDMI and DVI ports shares an internal clock (basically its just 1 connection with 2 heads on it) so they both cant be used at the same time.

I was running a 5850 with EyeFinity for about 2 years before upgrading to my 7950. You'll have to keep settings real low to get playable frame rates on a 5770. As far as the Displayport to VGA, it will be hit or miss. Some people have managed to get EyeFinity working this way but a lot of others havent. If you do get an adapter make sure its one of the ones recommended by AMD, I've had problems in the past with other adapters.
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May 23, 2012 11:05:05 PM

Best answer selected by millions1030.
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