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Picked up a 48JS9000 and am having issues with 4:4:4 at 4k 60hz. It looks to be a driver issue, as I've got 3 GTX780's and I'm not able to get 4:4:4 displaying through HDMI (which reportedly may only be 1.4, which makes sense), DP1.2 -> HDMI (passive adapter so in theory it should easily push...

I did it on my classy's. A new tim should give you a 3-5*C drop, at the very least. More if the card has a poor application of it. Just remove a few screws and you should be good to go. Also, EVGA allows you to use a third party heatsink and doesn't void your warranty. A nice plus!

If you're struggling between these cards, I'd honestly recommend a Classified. $50 more for 4gb (good for large resolutions if you decide in the future, games down the road, etc.) and a better stock cooler that vents out of your case. Plus, how can you deny this PCB?

You evidently play without bezel correction? Man that would drive me nuts. And yes, pissing on the cards, or maybe even some lighter fluid and a match might help. When we're talking about support for quad sli, who knows?!

If you're going to run more than one of those monitors, you're going to need more than 1 680. Unless you like sub 20 fps. With resolutions like that and the desire to futureproof, I'd say get atleast 1 classified right now, and another down the road, or multiple right now. You won't find a...

Clearly the problem is that you aren't running your cpu at 6ghz. That should fix your gpu usage.You want 30% more gfx usage... Put 30% more into cpu clock. amirite? I've also read about people baking their graphics cards in the oven when they didn't work right. You could try that too. ;)

If you're running resolutions higher than 1920x1080, 4gb is generally a good idea to be safe.

I had issues with .79 and quad sli 690's, so I just started with .48 on my classys to save myself driver headaches. Just curious to see though, because I know they've fixed some BF3 performance issues in more recent drivers.

And try three cards with .79 drivers, maybe...

I had completely normal utilization with 3 classys... so I'll see what happens when I drop in the 4th.

Already posted. And unless someone breaks into my house while I'm not home, boots up my pc, and flashes my classy's with an un-removable locked bios, I'll still be voltin ;)

I flashed a classy with a lightning bios last night (not sure if it was a locked version or not), but the card didn't like it (crazy artifacting and such). Once the unlocked version is up for sure I'll try again tonight. I'm curious as to whether or not it uncaps the current sense resistors...

How you found that, I have no idea. Lol thanks.

GPUz isn't a great way of doing it anyway. Use nvflash!

Would anyone with the lightning mind uploading their LN2 bios?

Is it confirmed that the lightning LN2 bios disables overcurrent protection in addition to thermal throttling? Also, can anyone that has a lightning check to see if it has the same current sense resistors as other 680s? Thanks

If you can step up, do it. You won't be eligible to step up any more when the "700" series finally drops (late this year maybe, more likely next year).

Very viable if you will watercool them.

I mean I've tried all of the different "bios" settings and haven't notice anything change...

lolwut?

1. I'd recommend raising your power target to max. That will help eliminate any possible instabilities overclocking (at least what you can get out of 1.175v). 2. Heaven benchmarking is a pretty good start. Use max settings at the highest possible resolution (if you can do 5760x1080 or something...

The classy is a binned 680 (while FTW is not) with more power phases, a larger fan, and the ability to pump up to 1.8v into it (compared to standard 1.175v lock).

I'm guessing your 670's are overclocked? The x9800 score is with stock 680's. Additionally, I hesitate slightly on justifying another $650 to go quad simply because most real world applications (ie not synthetic benchmarks, but games) haven't shown to utilize a 4th gpu substantially... this was...

Yes, it works with select EVGA motherboards and graphics cards, and it allows you to adjust voltages on the fly via the remote device.

My best classy will do 1333mhz stable for hours in heaven @ 1.175v. I can imagine hitting 1400 easily on stock air when my EVBot comes in and I have more voltage to work with. Water will be even sweeter.

So much frustration with quad sli driver support junk. I may pick up another if I really need to... running 6000x1080 surround in 3d, fps gets as low as 30 at some points, so it may be useful to get another. In any other circumstances I haven't found a need though.

To answer a few of those questions, see my thread here: http://www.evga.com/forums/tm.aspx?m=1668607

Glad it's working better. .79 drivers really blew for quad sli. Low gpu usage, fluctuating/low voltages, weird things.

Testing 3 classified 680's right now @ 1.175v, results thus far- Card 1 - 1305Mhz / 7114Mhz @ 53*C max Card 2 - 1333Mhz / 7000Mhz @ 54*C max Card 3 - 1322Mhz / 7000Mhz @ 53*C max All stable in Heaven for several hours. I can go higher with all of them in 3dmark and games, but not stable in...

The stamped production dates on two of the cards with sequential serial numbers are two days apart... They're really pumping them out! Lol

No intentions to "pointlessly brag". I think comparisons are quite valuable. Any other thread about cards spark curiosity in how other competitive cards compare, but that is unacceptable here? I'll graciously then remove myself from the conversation.

Correct. Depending on what happens I may go with a 4th, but I had such a lousy experience with quad sli drivers that I figured I'd see what I could get out of 3. They run nicely in SLI with the exhausting cooler design.

It was as proper as I could get. Quad SLI drivers are really lacking. 304.79 crapped my cards out just like yours are doing (low gpu usage, low voltage, etc.) Do a full clean install of 304.48 and see what happens. And yes, 6000x1080 surround.

It's bigger and heavier than the 690's. [See my shot below] The cards cap at typical 1.175v via software, but will go up to 1.8v with an EVBot (which I have not received yet, but is on the way). I'm thoroughly testing each card individually, and the first card I have will do 1305/7114 @ 1.175v...

Ohhh shi....

Ahhh. I'm guessing that is your problem. I had a ton of issues getting quad SLI working properly, and most drivers just refused to work properly no matter what. Do a full clean install: Control panel - uninstall - uninstall each of the nVidia drivers by hand (and any OC utilities. You may...

Have you tried running off different drivers? I had those same kind of issues with certain drivers running dual 690's.

I run 6000x1080 (bezel corrected) with Tri Sli 680 classified's, and I can say for a fact that you do want 4gb of vram for running a large res in surround. I came off of dual 690's, and those pushed 6000x1080 3d like butter, but the vram was limiting, and they ran so damn hot I couldn't get any...

Low GPU usage with multiple cards at a high resolution is often an indication of running on PCIE 2.0 vs 3.0. It could also be driver issues.

Wait, so you're saying GPU utilization is failing when vram usage is over 2gb?