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CF still need dp adapter?

Last response: in Graphics & Displays
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April 20, 2011 6:06:37 PM

CrossFire with a pair of 5770 still need display ports for eyefinity?

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a b U Graphics card
April 20, 2011 6:49:58 PM

Nope. You only need DP adapters if you're running more than 2 monitors off of a SINGLE card. If you have two cards, you can run up to 4 monitors w/out DP adapters.

Mind you, you would need ACTIVE DP adapters if you ever decided to run more than 2 monitors off of a single card, even if you have two cards. Passive adapters wouldn't work in that situation.
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a b U Graphics card
April 20, 2011 7:18:48 PM

^yeah, you don't need DP adapters if you have CF setup, only if you run 4+ monitors
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April 20, 2011 7:47:17 PM

borisof007 said:
Actually, I'm wrong:

http://www.tomshardware.com/forum/314760-33-tomshardwar...

There's another thread about this too. If you do have a CF setup, you DO need freaking DP adapters. That's some lame S#!7 right there.

Great.However i also want to know can SLI run 3 monitors using dvi yes?Can SLi have 4 monitors?
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a b U Graphics card
April 20, 2011 7:50:35 PM

active mini-dp ---> dvi adapters cost $30 on newegg if you are worried about having to spend $100 on an adapter. Do NOT spend $100 on an active display adapter! They can be had for much cheaper.

Can sli run 3 monitors using dvi? Yes, the newer cards can. 4 monitors is not supported, unless you run them non-sli.
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April 20, 2011 7:52:36 PM

Supermuncher85 said:
active mini-dp ---> dvi adapters cost $30 on newegg if you are worried about having to spend $100 on an adapter. Do NOT spend $100 on an active display adapter! They can be had for much cheaper.

Can sli run 3 monitors using dvi? Yes, the newer cards can. 4 monitors is not supported, unless you run them non-sli.

I thought active dvi to dp converters are only able to run eyefinity
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a b U Graphics card
April 20, 2011 7:58:22 PM

In most cases to run eyefinity you would first use the two dvi connections on the back. Once they are used you MUST use an active dp -> dvi/hdmi/dp cable to use eyefinity.

Hope that clarifies the question.
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a b U Graphics card
April 20, 2011 8:39:35 PM

SLi can run 3 monitors using DVI. It's AMD's limitation that requires the Displayport adapter for the 3rd monitor.
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a c 125 U Graphics card
April 20, 2011 9:35:22 PM

Seems to be some confusion here...

Eyefinity needs a displayport output for anything more than 2 monitors. There are 2 types of DP to DVI/HDMI adapters, active and passive. You need an active adapter. Within the active adapter area, there are 2 more types: Single Link and Dual Link. Single Link will handle up to 1080p (or maybe 1920x1200) and is around $30-40. Dual Link handles up to 2560x1600 and is $130.

SLI "surround vision" works differently. Whereas CF you can only use outputs on the top card, with SLI you can use the outputs on both cards. Each card can support 2 outputs, so you can plug 2 monitors into the top card's DVI/HDMI outputs and 1 into the bottom card (assuming they have those outputs).
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a b U Graphics card
April 20, 2011 9:37:13 PM

That's exactly what I tried saying, but you typed it a tad more eloquently than I could.
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April 20, 2011 9:53:06 PM

Haha! You meant well though!

I think Wolfram's post needs to be a sticky somewhere.
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April 20, 2011 9:54:42 PM

Man, with all these questions about triple monitor setups today, I wonder if others are taking part in the crazy priced 27.5" Hanns-G monitors on NewEgg.


SALE ENDS TODAY FOLKS!!

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April 21, 2011 1:27:51 AM

Best answer selected by zulfadhli.
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a c 169 U Graphics card
April 21, 2011 9:34:46 AM

This topic has been closed by Maziar
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