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post #871 of 1300
Quote:
Originally Posted by Swolern View Post

I new it had to be too good to be true with AMD. They have let me down in the past and I never went back. Still it was a valiant effort Vega.
So how many DVI-D ports do you have? Only 4, one on each card? Any display ports inputs on the Samsungs?
I88Bastar what's up with all that spacing in your post? U are a weird one......

That there is premium spacing.
post #872 of 1300
Quote:
Originally Posted by Swolern View Post

I new it had to be too good to be true with AMD. They have let me down in the past and I never went back. Still it was a valiant effort Vega.
So how many DVI-D ports do you have? Only 4, one on each card? Any display ports inputs on the Samsungs?
I88Bastar what's up with all that spacing in your post? U are a weird one......

Please don't take it as personal, and definitely I don't want to derail this awesome thread that actually is my default way to get in OCN. Just remembering a few points.

- Vega is pretty much pushing the technology to it's limits;
- 5 120hz panels are equal to 10 DVI-SL links;
- If vega lock his refresh rating to 60hz I guess he would be perfectly fine;
- With only one lightning he would be able to run those 5 panels @60hz in BF3 at full low settings with only FXAA high and keep playable framerates (while having fun with it);
- I know he would because I run BF3 at 3840x1920 with only one 6970DCII and it plays great at those settings;
- I'm not an AMD fanboy at all IMHO the best vga of all times is the Nvidia 8800GT;
- Remember that in 2009 with AMD you were already enabled to use 3 displays with only one vga, starting with VGAs at the $200 price range (before that only a TH2GO would cost $300 and was much more restricted), so if you have surround gaming with NVIDIA be thankful to AMD;
- In 2010 with the Eyefinity 6 cards you were already able to use up to six monitors with only one card (yes stock traders and other professionals do need this kind of setups);
- In december 2009 I bought an 5970 it was hot and loud as hell in my CM690 but it was already able to equal 2 5870s in clocks, in april 2010 it was already watercooled and running @1000Mhz core clock with 10.4 Catalyst it would net 35K GPU score at vantage a respectable score even today;
- I've switched to a 580DCII monster card, with great performance but again I could not use 3 monitors while one application was running in fullscreen, to make it run properly I'd need another 580 what was totally a waste of money (I was working with Unity3D designing games back then);
- So I've switched to a single 6970DCII and have been happy ever since with all DP connections smoothness, no tearing at all in games while using Eyefinity, Hydravision (if you don't know what it is this is something that alone would make worth the transition from NVIDIA to AMD in terms of desktop productivity with grids+multi desktops);
- So if you're disappointed with the 5 portrait support @120hz from AMD tell me what do you have in this regard from NVIDIA? What about 60hz in 5 portrait? Wait NVIDIA doesn't support 5 monitors, right?
- Don't get me wrong I think that after the 4XX fermi fiasco (besides the 460s), NVIDIA has been releasing great products, the 6xx turbo boost is a nice feature for non SLI use and for those that just buy a card and toss it inside the case;
- I just want people to recognize that AMD has good products in the last generations and have been INNOVATING a lot in the last years. There are buggy drivers, sure there are. But NVIDIA has it's glitches also (like why not support officially PCI-E 3.0 in X79? There is a risk of a great driver being released and no support at all to X79 PCI-E 3.0), I just can't take this "AMD complaining everywhere"
- I know I've derailed a lot lol, and this isn't in any sense personal to you Swolern is just a "wrap up" of things I've been reading a lot all over the place...
post #873 of 1300
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post #874 of 1300
Thread Starter 
Armartins good cliff notes. I don't fault AMD for me being stuck at 60 Hz on a 120 Hz setup. I knew both the Lightning's ports are single-link. I though I could "trick" the drivers to have four screens run at 120 Hz and the last run at 60 Hz like I have in the past. They must have "fixed" that bug though lol.

I just wish there was more news on the X2/7990 cards. I have manually "adjusted" all of the signal timing's on the five monitors to not run past the 165 MHz "cap" of single-link DVI. That has given me 75 Hz across the Eyefinity setup as a temp solution.
    
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post #875 of 1300
Thread Starter 
I have some great news, using the modified .sys file that ToastyX has made, I can clock a 1080P 120 Hz monitor to over 100 Hz with single link DVI connection! eek.gif All hope is not lost for the Lightning's...

Now I have my whole 5x1 setup running 100+ Hz (100 Hz now, can squeeze some more Hz out of it with some patience).
    
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post #876 of 1300
Quote:
Originally Posted by armartins View Post

Please don't take it as personal, and definitely I don't want to derail this awesome thread that actually is my default way to get in OCN. Just remembering a few points.
- Vega is pretty much pushing the technology to it's limits;
- 5 120hz panels are equal to 10 DVI-SL links;
- If vega lock his refresh rating to 60hz I guess he would be perfectly fine;
- With only one lightning he would be able to run those 5 panels @60hz in BF3 at full low settings with only FXAA high and keep playable framerates (while having fun with it);
- I know he would because I run BF3 at 3840x1920 with only one 6970DCII and it plays great at those settings;
- I'm not an AMD fanboy at all IMHO the best vga of all times is the Nvidia 8800GT;
- Remember that in 2009 with AMD you were already enabled to use 3 displays with only one vga, starting with VGAs at the $200 price range (before that only a TH2GO would cost $300 and was much more restricted), so if you have surround gaming with NVIDIA be thankful to AMD;
- In 2010 with the Eyefinity 6 cards you were already able to use up to six monitors with only one card (yes stock traders and other professionals do need this kind of setups);
- In december 2009 I bought an 5970 it was hot and loud as hell in my CM690 but it was already able to equal 2 5870s in clocks, in april 2010 it was already watercooled and running @1000Mhz core clock with 10.4 Catalyst it would net 35K GPU score at vantage a respectable score even today;
- I've switched to a 580DCII monster card, with great performance but again I could not use 3 monitors while one application was running in fullscreen, to make it run properly I'd need another 580 what was totally a waste of money (I was working with Unity3D designing games back then);
- So I've switched to a single 6970DCII and have been happy ever since with all DP connections smoothness, no tearing at all in games while using Eyefinity, Hydravision (if you don't know what it is this is something that alone would make worth the transition from NVIDIA to AMD in terms of desktop productivity with grids+multi desktops);
- So if you're disappointed with the 5 portrait support @120hz from AMD tell me what do you have in this regard from NVIDIA? What about 60hz in 5 portrait? Wait NVIDIA doesn't support 5 monitors, right?
- Don't get me wrong I think that after the 4XX fermi fiasco (besides the 460s), NVIDIA has been releasing great products, the 6xx turbo boost is a nice feature for non SLI use and for those that just buy a card and toss it inside the case;
- I just want people to recognize that AMD has good products in the last generations and have been INNOVATING a lot in the last years. There are buggy drivers, sure there are. But NVIDIA has it's glitches also (like why not support officially PCI-E 3.0 in X79? There is a risk of a great driver being released and no support at all to X79 PCI-E 3.0), I just can't take this "AMD complaining everywhere"
- I know I've derailed a lot lol, and this isn't in any sense personal to you Swolern is just a "wrap up" of things I've been reading a lot all over the place...

Dont confuse whining customers with customers that do not care. For example, when I eat at a restaurant that is disgusting I simply never go back because there is nothing I can say that will make the terrible restaurant any better, there are plenty of other restaurant that I can dine at instead and ultimately I do not care about a restaurant that does not care about me. However, in the land of GPUs we only have TWO options, so we cannot simply go across the street and get our digital crack elsewhere.

Vega has not tried to do anything against spec...these cards are designed to accommodate 5x1 and the drivers should reflect that with screens that do not tear regardless of refresh rates and inputs. It is sloppy work on AMDs part and there is no way around that. In fact, I would have to say that AMD and its partners have been very lazy in the high end GPU department with regard to connections and there is ZERO reason why any $500+ GPU should have a single link DVI output on it...ZERO...they save themselves what fifty cents by going with a single link instead of a dual link....its unacceptable when we are spending this kind of money and if they are going to get stingy with outputs then at least they can have the decency and do what Nvidia does and let you run displays separately off of multiple GPUs.

As a trifire 7970 owner, with one of my cards being an Asus CUII which has four displayports and a single link DVI just like Vegas lightnings, I find it very frustrating that I am going to have to sell all three of my cards and replace them with 7990s just to support five displays properly when they could have made a SIMPLE design decision which would have eliminated that hassle.
post #877 of 1300
Thread Starter 
Dual link DVI takes two display connection streams and Tahiti only has six streams. So really the only way you can do large Eyefinity is 6x mini-DP, 4x mini-DP + 1x DL-DVI, or 4x mini-DP and 2x SL-DVI connections. Asus and MSI try to please too many people with the 4x mini-DP and 2x SL-DVI cards. I think by far the best solution is 6x mini-DP, and then 4x mini-DP + 1x DL-DVI for proper 5x1. 3x2 Eyefinity setups are pretty lame IMO.

On to the good news. It's a good thing Tahiti has a monster pixel clock as I've found I am able to push some serious bandwidth over single link DVI and my monster 24 gauge DVI cable:

700D120HzSL-DVI.jpg

That took me a few hours of tweaking timing's. I am literally within .02 MHz of not being able to run 120 Hz on my 700D. (256 MHz seems to be the absolute pixel clock limit on SL-DVI). It was a real nail biter edging back and forth with getting those timings to work. So now my entire Eyefinity setups is rolling along nicely at a buttery smooth 5400x1920 @ 120 Hz. Look's like the four Lightning's just may be keepers!
    
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post #878 of 1300
http://www.youtube.com/watch?v=MeFi3SDi_n8
Edited by l88bastar - 7/1/12 at 9:02pm
post #879 of 1300
Quote:
Originally Posted by l88bastar View Post

http://www.youtube.com/watch?v=MeFi3SDi_n8

??
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post #880 of 1300
Wow good work there Vega, I'm amazed!. Looks like you made the impossible possible. thumb.gif
    
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