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Korean Monitors in Eyefinity

post #1 of 7
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I really appreciate any input you all have on my situation. Sorry to start another new thread on these monitors but the others have gotten so long.

So I'm thinking about buying 3 of the Korean monitors (probably Crossover's) to use in an Eyefinity setup, but I have a few concerns mostly pertaining to being dependent upon active DisplayPort to DL-DVI adapters to make it work.

The cost of the adapters. One can be had for about $55 on eBay...does anyone know if this is any good: http://www.ebay.com/itm/380425896837?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_1964wt_1163

Obviously I'm concerned about about hooking cheap DisplayPort adapters up to cheap Korean monitors, but other adapters hover around 90 dollars and extra costs start to make these monitors less worth the trouble.

Would I need two or three adapters to hook up three CrossOvers to my HD7950s in XFire? I can just see myself getting these three monitors and using these cheapo adapters and then having flickering issues in Eyefinity that I've read about. I'll be pulling my hair out if after dropping $1500 on monitors and accessories I have flickering or any other abnormalities.

Can anyone comment on their experience using these monitors in Eyefinity and recommend a quality adapter? I'm between 3 Korean monitors, or 3 refurbished Dell U2711s off eBay for about 650 shipped each. Yes, the 3 CrossOvers or Catleaps would be cheaper even after buying adapters, but I'm concerned about performance using DisplayPort to DL-DVI adapters and all of the other general concerns people have with these things dead pixels, shoddy stands, etc.

Thanks!
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post #2 of 7
No need to worry about that Apple adapter. Overpriced and not even sure if it will work. You'll just need an active dp adapter such as this one http://www.newegg.com/Product/Product.aspx?Item=N82E16814999030

I run Eyefinity with a monitor running on hdmi, dp, and one on dvi each. I have had some flickering issues but those have been caused more by drivers than hardware problems.
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post #3 of 7
Quote:
Originally Posted by Kylepdalton View Post

No need to worry about that Apple adapter. Overpriced and not even sure if it will work. You'll just need an active dp adapter such as this one http://www.newegg.com/Product/Product.aspx?Item=N82E16814999030
I run Eyefinity with a monitor running on hdmi, dp, and one on dvi each. I have had some flickering issues but those have been caused more by drivers than hardware problems.

That adapter will not work with these Korean monitors, unfortunately. It can only do enough bandwidth for a SL-DVI connection, half of what the Korean monitors require (they need a DL-DVI connection)

You will definitely need to buy either that Apple one you linked or a slightly cheaper (~$70).
post #4 of 7
Quote:
Originally Posted by kevinsbane View Post

That adapter will not work with these Korean monitors, unfortunately. It can only do enough bandwidth for a SL-DVI connection, half of what the Korean monitors require (they need a DL-DVI connection)
You will definitely need to buy either that Apple one you linked or a slightly cheaper (~$70).

You are correct. Momentary lapse in thought (I blame the copious amounts of dark chocolate today). I'm actually not seeing any DP to DVI-D that supports above 1200 resolution. Strange that even the dual links aren't really dual links.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Kylepdalton View Post

You are correct. Momentary lapse in thought (I blame the copious amounts of dark chocolate today). I'm actually not seeing any DP to DVI-D that supports above 1200 resolution. Strange that even the dual links aren't really dual links.

an active mini displayport to dl-dvi adapter won't support 2650 x 1440? I'be read otherwise.
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post #6 of 7
A few I checked out on don't seem to (Most likely aren't really dual link). The one that you posted and the one kevinsbane do say they do however. From the ones I have been able to find they support greater than 1200 if they have the USB cable as well at the DVI. Dual link DVI should always support above 1200 but I've read the fine print on a couple and they don't.

As a heads up I have read that the newest apple displayport adapters don't always work with monitors other than the 30 inch Mac display. The older ones seem to be just fine though.
Edited by Kylepdalton - 4/8/12 at 2:30pm
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post #7 of 7
Those Korean 27'' monitors have 2560x1440. So, Dual Link DVI is needed and able to work for up to 2560x1600 @ 60Hz.

AMD Eyefinity Validated Dongle list has two models for Mini DP to DVI-D Dual Link Active adapter. Accell KS30008-131 is the one easier to find. It costs US$89.
http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx

Here:-
http://www.amazon.com/dp/B0030XMREG/ref=asc_df_B0030XMREG1968010?smid=A3SNNXCKUIW1O2&tag=nextagusmp0359656-20&linkCode=asn&creative=395105&creativeASIN=B0030XMREG

http://www.provantage.com/accell-b087b-003j~7ACEL076.htm
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