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Vega's *Heavyweight* display and computer; edition 2012 - Page 64  

post #631 of 1300
Any news Vega? What about some pics or videos of 3 x portrait catleap debezeled, I know you already did it lol. I'm wondering how it would work on 2-3 680s while you can't do the 5x... well you can with one asus DCII and 3 other 7970s at your RIVE build... I guess the Lightning 7970 wouldn't be an option since both DVI are single link only and I guess there isn't an active single link DVI to dual link DVI adpter... One asus DCII (has waterblock avaliable), 4 of these DP-> DVI dual link adapters and 3 other 7970s and you'd be fine... It would be nice to know if the crossfire bridge would be a limitating factor on this extreme scenario... also if micro stuttering would be a problem..
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post #632 of 1300
Thread Starter 
If I go 2x 7990's the Sniper 3 MB will be good to go with 2x 3.0 slots. That's if it has the same 4x mini-DP + 1x DL DVI port like the 6990, or even better yet 5-6 mini-DP.

Waiting to see what comes out of Computex. I talked to ASRock and the Extreme11 MB is a go. So if someone comes out with "Eyefinity 6" type 7970's I'll get four of those to run 5x1 2B Catleap's, or maybe even 4x 680 Classified's to run 3x1 2B Catleap's if AMD and their partners screw the pooch on proper output's.

The Asus DCII 7970 is no good, when all 4 DP are used there is only 1 single link DVI left. Poor design.
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post #633 of 1300
I guess you mean there are only 2 single link DVI, right? At least my 6970 DCII works like that if the switch is in the "split" position I don't recall if 0 or 1 now. DP works as well as the DVI output (I can only test single link resolutions since my monitors are 1200P), If I change the position the DVI still works (probably in dual link) and the DP isn't even recognized it's disabled. I always thought the other DVI was dual link all time so you could hook up your 4 adaptors on the DPs and the fifth monitor at the non shared DVI output. But you're probably right since ASUS site says only 1 DVI dual link.
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post #634 of 1300
Hi Vega,

I was wondering if you could help me out.

Currently trying to build a rig that will hold at 100FPS on my Catleap 2B.

I was going to go for a x79 Extreme IV Rampage, 3930k and 3x 680's (2GB Signature SC's). I currently have a CM Cosmos II case to house everything.

I have already purchased the 3930k, but I am willing to sell it, if I am better off with z77 sniper 3 setup.

Questions.

Did you manage to get the x79 Rampage Extreme working in PCI 3.0 with the registry fix even on the latest drivers with no boot/game crashes? (I don't want to be limited to PCI 2.0 8x on my cards).

Is there any other issues that made you change to z77 with the sniper 3?. Will I be ok keeping with the X79 platform for my 3x 680s or do you recommend I sell the 3930k, halt my purchases of the Rampage and 680's and change?.

I was looking at the 690's as I wouldn't have the issues with PCI 3.0. But for one, they are sold out (UK) and two, 2x 690s is a lot of cash and overkill for 1 Catleap 2B (where 1x 690 maybe not enough) - where as I think 3x 670's / 680's would perfect for the FPS I'm after at 1440p.

Any advise would be greatly appreciated.
Edited by Flam3h - 6/4/12 at 3:55am
post #635 of 1300
Quote:
Originally Posted by Flam3h View Post

Hi Vega,
I was wondering if you could help me out.
Currently trying to build a rig that will hold at 100FPS on my Catleap 2B.
I was going to go for a x79 Extreme IV Rampage, 3930k and 3x 680's (2GB Signature SC's). I currently have a CM Cosmos II case to house everything.
I have already purchased the 3930k, but I am willing to sell it, if I am better off with z77 sniper 3 setup.
Questions.
Did you manage to get the x79 Rampage Extreme working in PCI 3.0 with the registry fix even on the latest drivers with no boot/game crashes? (I don't want to be limited to PCI 2.0 8x on my cards).
Is there any other issues that made you change to z77 with the sniper 3?. Will I be ok keeping with the X79 platform for my 3x 680s or do you recommend I sell the 3930k, halt my purchases of the Rampage and 680's and change?.
I was looking at the 690's as I wouldn't have the issues with PCI 3.0. But for one, they are sold out (UK) and two, 2x 690s is a lot of cash and overkill for 1 Catleap 2B (where 1x 690 maybe not enough) - where as I think 3x 670's / 680's would perfect for the FPS I'm after at 1440p.
Any advise would be greatly appreciated.

You realize that with the way sandy bridge-e works and ivy bridge works that if you were stuck at PCIe 2.0 16x/8x/8x on a X79 board that it would be the same as running PCIe 3.0 8x/4x/4x on a Z77 board yeah?

Ivy bridge only has 16x PCIe lanes to work with whilst sandy bridge-e has 32x PCIe lanes to work with.

I would do everything possible to keep the 3930k CPU (since it's much better than any ivy bridge chip) and either just enjoy it or try and get the sandy bridge-e system to work at PCIe 3.0 speeds. This of course is up to Nvidia's drivers at this point since I haven't heard anything on them re-enabling PCIe 3.0 on sandy bridge-e systems since release? PLX chips on the Z77 chipset are nice and such but don't address the actual issue at hand. Seems Nvidia are buying into Intels bull**** and not enabling it because X79 isn't offically PCIe 3.0 although it works perfectly fine at those speeds.

So consider doing the un-thinkable and choosing AMD if it's that important to you 'right now' because the HD 7970s seem to work fine at PCIe 3.0 speeds on X79 platforms.

Either downgrade to a ivy bridge platform so you can run native, supported and hassle free PCIe 3.0 at 16x with a GTX 690 (on something like a sabertooth board because spending money on a Z77 platform with limited bandwidth is waste of money, I know, I have an ASUS WS Revolution board and it does not solve the issue) or stick with sandy bridge-e (and upgrade to ivy bridge-e at the end of the year) and run 3x SLI on a X79 board which esentially will give you the same performance as 3x SLI on a Z77 system. More if you can get it to work at the faster speeds.
Edited by thestache - 6/4/12 at 5:06am
    
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post #636 of 1300
Quote:
Originally Posted by Sexparty View Post

You realize that with the way sandy bridge-e works and ivy bridge works that if you were stuck at PCIe 2.0 16x/8x/8x on a X79 board that it would be the same as running PCIe 3.0 8x/4x/4x on a Z77 board yeah?
Ivy bridge only has 16x PCIe lanes to work with whilst sandy bridge-e has 32x PCIe lanes to work with.
I would do everything possible to keep the 3930k CPU (since it's much better than any ivy bridge chip) and either just enjoy it or try and get the sandy bridge-e system to work at PCIe 3.0 speeds. This of course is up to Nvidia's drivers at this point since I haven't heard anything on them re-enabling PCIe 3.0 on sandy bridge-e systems since release? PLX chips on the Z77 chipset are nice and such but don't address the actual issue at hand. Seems Nvidia are buying into Intels bull**** and not enabling it because X79 isn't offically PCIe 3.0 although it works perfectly fine at those speeds.
So consider doing the un-thinkable and choosing AMD if it's that important to you 'right now' because the HD 7970s seem to work fine at PCIe 3.0 speeds on X79 platforms.
Either downgrade to a ivy bridge platform so you can run native, supported and hassle free PCIe 3.0 at 16x with a GTX 690 (on something like a sabertooth board because spending money on a Z77 platform with limited bandwidth is waste of money, I know, I have an ASUS WS Revolution board and it does not solve the issue) or stick with sandy bridge-e (and upgrade to ivy bridge-e at the end of the year) and run 3x SLI on a X79 board which esentially will give you the same performance as 3x SLI on a Z77 system. More if you can get it to work at the faster speeds.

My main concerns are of the wasted GPU power of running 3x 680's on the x79, with only being able to get PCI-e 2.0 8x speeds on 2 of the cards.

What I really want someone to say is 'Yes, you can enable PCI-e 3.0 on the x79 Rampage IV Extreme using the registry fix with no problems'.

My worries are that if I purchase it and I cannot enable PCI-e 3.0 using the registry fix (crashes/boot issues). Then I'm stuck with PCI 2.0 8x speeds, which will limit two of the cards as Vega has shown in his youtube videos.

I'm comparing the z77 platform (Sniper 3), which can run 16x 8x 8x PCI-e 3.0 (yes I know about the lanes limit, but probably a lot better than PCI-e 2.0 8x limitations). I will change to this platform if it really is going to benefit me to get the most from my 3 cards.

I am not overly optimistic about Nvidia actually enabling PCI-e 3.0 on x79 officially. I also don't want to gamble on IB-e (in case it never comes and even if it did I really want to make a decision now based on my GFX card purchases and current tech).

I'm curious if Vega could share some light, as I 'think' he may have used both systems with multiple cards.

The AMD series cards are of no use, as I'm using a Catleap 2B (1440p, 100hz). Currently with Crossfire, as far as I know, you cannot get over 85hz at 1440p of which I want 100hz (so Nvidia only).

The thing that is puzzling me is Vega mentioned he couldn't enable PCI-e 3.0 using registry fix without boot problems in one post. But on another (and in videos), he is using the registry fix and is using 301.10 (which didn't have 3.0 support natively). So am I to assume, he managed to correct the registry fix to make it work with newer drivers?.
post #637 of 1300
Look for vega's PCIe comparison that he did with his X79 board a month or two ago, he explains his processes and it might assist you for the questions that you have.
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post #638 of 1300
Quote:
Originally Posted by Nocturin View Post

Look for vega's PCIe comparison that he did with his X79 board a month or two ago, he explains his processes and it might assist you for the questions that you have.

Thanks,

Just had a quick flick through the whole thread. Still can't find any real answers.

On Overclockers.co.uk he states:

"On another note: Well I tried the registry fix to try and get my GTX 680's running at PCI-E 3.0 with my X79 MB and in Surround mode Windows fails to boot. So the article was right that there can be issues using that registry key."

Then on here:

"I love this new nVIdia Surround. It keeps the desktop task-bar only on the center monitor and when I maximize windows it only maximizes on the center screen. Awesome features! With the simple registry edit, I've got all of the cards running at PCI-E 3.0. In the BIOS I can switch between 1.0/2.0/3.0 at will so this will make for some nice tests."

'(4) EVGA GTX 680's running 1191MHz core, 3402 MHz Memory
nVidia Driver 301.10 with PCI-E 3.0 registry adjustment turned on and off for each applicable test
GPU-Z 0.6.0'

It's interesting.

I did read somewhere that an Asus Support Rep mentioned there are issues with PCI-e 3.0 support on the Nvidia 600 cards when the BLK is over 105mhz. I'm reading mixed reports about people getting it working with some unable to boot into Windows or they can but benchmark/games crash (maybe they have their BLK over 105mhz?). Others seem to be able to make it work ok. There really isn't a great deal of information on it and it's really giving me a headache trying to make a decision (with a lot of money involved).

I'm also interested why Vega switched to z77 platform if he indeed had the x79 working fine with all 4 GPU's on native PCI-e 3.0. Hopefully he will pop in and help me clear my mind. smile.gif
post #639 of 1300
Thread Starter 
Yes, the Rampage IV Extreme worked perfectly fine with the 3.0 registry fix. That original problem I had was Surround related and not the 3.0 change. Whether NVIDIA retains the registry fix option in future drivers is up in the air.

If you will be running a single Catleap, 2x GTX 680's should be fine. That is what I am currently running on my Sniper 3 until I get some news on the 7990 and 680 Classified's. Since if I go with four cards and 3-5 Catleap's, I would get the Extreme11 X79 that can do all slots at 16x. If I go with 2x 7990's, the Sniper 3 will be good.

For one Catleap X79 really isn't needed unless you must go 3-4 GPUs. And as far as the 2B Catleap is concerned, I'd go AMD Crossfire as they can do 120+ Hz that ToastX recently discovered. NVIDIA is limited to 102 Hz in SLI.
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post #640 of 1300
Hi vega, whilst waiting for the asrock extreme 11 to launch and reach singapore for sale, i was browsing for methods to go bezeless, and i came across this.

http://www.youtube.com/watch?annotation_id=annotation_29744&src_vid=dOY2lREuwjU&feature=iv&v=nVKGr_J1gF0

its surround and there is a company selling the software to do this. any thoughts? others do chip in too, wanna know whats this tech really about, and i wonder what res can projectors go up to. not sure if projectors have lag?

if its really good it would be an ultimate setup for gaming, watching movies, and create an entertainment room at home.

please do share your thoughts smile.gif
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