I discovered that by using K-boost, every reading from my cards were reduced to 0 and usage percentages were never above 15%.
Perhaps it's just me, but I would never enable it.
 
Leaving K-boost enabled is for what I know, not harmfull. It's like having your CPU clocked at 5GHz at all times without C1 and such enabled. 

Trisp
Is there any problem's with leaving k boost on permanently? (i dont have a energy problem and heat is not a issue also my cards are currently not overclocked so i would guess that they would not degrade any faster then with normal use or very close to that)

There are no problems running K-Boost 24/7. (It will not hurt your card.) The only thing you will notice is higher idle temps which can be kept down by running a higher fan speed or by installing nvidia inspector and creating some custom .bat files to force idle & max boost states whenever you need them or don't need them. (I highly recommend installing nvidia inspector and creating the custom .bat files so you can save power on your electricity bill, running K-Boost 24/7 will increase your power consumption a lot when you might not be doing anything but browsing the web, this is where the .bat files come into play, you can choose what you need depending on what you are doing.) e.g. Select and run Force Idle.bat to force idle state so you can save power when not gaming and just browsing the web. Select Max Boost.bat for when you are about to game. 
 
Checkout my thread it will tell you how to setup the .bat files. http://forums.evga.com/tm.aspx?m=1770296

GPU Utilization will register as 0% when enabled, but this is a false reading.

SeanEJohan

Love that they added this feature!!! I hated not seeing my cards using their full potential of clock speed in some of my games(WoW).
The K-Boost basically locks your core clocks and voltage at w/e you + them out too. I didn't like the boost feature anyway. Both my 670FTW's  run at 1255mhz all the time 24-7 and I LOVE IT!!! Such a performance difference in so many games!!

im total opposite, i love how my 680s dont break a sweat running some of my games, some games they only run at 50%-60% usage at 600 mhz, its like they're jogging because they dont need to run, to be first.

BioHazardSperm

can/will this be fixed?

 
Need to look into it some more...

EVGA_JacobF

BioHazardSperm

can/will this be fixed?

Need to look into it some more...

Thanks ,ill be reminding you in a few weeks asking againJust wondering would this require a whole new set of code/pathways to read being the issue?

I've tried absolutely everything and k-boost isn't working for me. I have 4 680 FTW 4GBs in Quad Sli, and followed the procedure exactly, including turning SLI off before, and on after, turning on K-boost. The batch files are set up with all 4 GPUs. However as soon as I turn SLI back on, GPUs 2-4 all throttle down. Until that point, all 4 seems to run maxed out, but of course I can't use them as SLI is off. 
 
I've tried every approach to get this to work. Anyone else have this working with 4 680s? 
 
Note, I'm using the latest Beta drivers that came out yesterday, in case this is relevant..

Yes absolutely. Disabled SLI then turned on K-boost - it immediately tells you to reboot so I did. When it comes on Precision X shows all 4 cards full boosting. Then as soon as you go into Nvidia Control Panel and turn surround back on, only the first card remains boosted and the other 3 come right down..

isnt this the same thing as "force maximum performance" in the nvidia control panel?

Dude I turned K Boost on and it killed my drivers. I had to reinstall the drivers just to get my system back in working order. What went wrong?

Try re-installing PrecisonX and when it prompts you if you want to keep your settings select "no" and it will do a clean install. Yes your cards will still downclock if they hit 70C. Honestly they really shouldn't get above 64-66c, my 670 FTWs run around 50-52C @1254mhz core/3707mhz memory, which is a pretty nice oc on top of the factory +85mhz. I would check out your fan curve, make sure it looks like mine- if your still unable to keep under 70C with adjustment to curve, you may want to check out your case/cooling solution/fans. 

Well their are 2 heat thresholds to be aware of, 70C and the higher max tolerance of 97C(I personally think its 104C but we'll stick to what the Evga guy said). You really shouldn't freak out about the 70C temperature downclock, its minor -15mhz. Although it should be easy to stay under 70C with the proper fan curve, if you go over it, no big deal, you aren't doing any damage to the card if you running 75-80C, but you also won't get the best performance out of them running above 70C. 
With every card being unique in what it can handle overclock wise, I would start off with a +58mhz to the core clock, and the memory can easily handle +400(3500mhz). Max the voltage setting to 1.175(this is safe, the card can handle much higher voltage with a custom bios)If you temps are okay and your aren't seeing artifacts or driver failures then you can overclock more, this time go in increments of +25 to the core. My top card is stable at +135 or 1319mhz and memory is stable at +600 or 3707, but my bottom card only will go up to 1280mhz or +58, before becoming unstable(same memory setting +600/3707). Also always make your pwr target max of 145%.
Now K-boost is ideal for overclocking and getting the most out of your cards. Without it, you may not see your overclock come into play much, as your letting the boost program dictate when to use higher core frequencies in games.
I would add some points on your fan curve(just click on the area you want to add one) and make it similar to mine, and you should be way under the 70C threshold. The highest temp my cards will see is 64C with this curve. I also have tons of case fans which def attributes to the cards staying cool(dedicated gpu fan).
So try this- at 50C make your fan speed 55%/at 55C make it 60%/ at 60C make it 65%/ at 70C make it 72-75%/ and at 75C make it max of 80%.

 
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K-boost gives me a locked 1150 on the core. doesn't raise a sweat doing it..

oG kill3r
I've never tried K-Boost how does it work ? If i enable it do i raise the  K-Boost all the way up to max for each card ? Do i have to raise the over-voltage ? 

K-Boost allows users to lock their GeForce GTX 600 cards to Boost Clock/Voltage, even in 2D mode. K-Boost needs to be disabled when installing/uninstalling the graphics driver and when enabling SLI (once SLI is enabled K-Boost can be activated).