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Nvidia is looking to get even more serious about Linux with their push to put over-clocking back in the Linux driver, hooray!

Announced today is 337.12 a beta driver, so use at your own risk. Along-side the usual assortment of new GPU support it fixes bugs it finally brings back over-clocking and under-clocking:
QuoteAdded the ability to over- and under-clock certain GeForce GPUs in the GeForce GTX 400 series and later. For GPUs that allow it, an offset can be applied to clock values in some clock domains of some performance levels. This clock manipulation is done at the user's own risk. See the README documentation of the "CoolBits" X configuration option for more details.


It is good to see them push more features for Linux to be on-par with Windows, although I am not sure why they ever took this ability away.

You can find the driver here. Article taken from GamingOnLinux.com.
Tags: Hardware
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Anonymous Apr 10, 2014
no big changes imo ... that again proves my point that OC is quite useless for Mid/High end GPU's

also at +150mhz core it just downclocked itself automatically, but the framerates werent that much better anyway till that point

Unfortunately Xpander, Kepler cards (especially 66X Kepler) have tight power limits. You might well be running into a power bottleneck. In addition, Kepler is weird in that the clocks you choose won't n't necessarily be the actual running clocks because of Boost and the aforementioned power and tdp controls. 7XX Kepler is not as bad in this respect but you do run into the same issues. Windows (e.g with MSI Afterburner) at least does have some control over the power limit, but it's usually only something small like 110% (10% above stock power). You need to mod your bios to unlock these limits, which is relatively safe these days although still an annoying restriction.
Xpander Apr 10, 2014
no big changes imo ... that again proves my point that OC is quite useless for Mid/High end GPU's

also at +150mhz core it just downclocked itself automatically, but the framerates werent that much better anyway till that point
Unfortunately Xpander, Kepler cards (especially 66X Kepler) have tight power limits. You might well be running into a power bottleneck. In addition, Kepler is weird in that the clocks you choose won't n't necessarily be the actual running clocks because of Boost and the aforementioned power and tdp controls. 7XX Kepler is not as bad in this respect but you do run into the same issues. Windows (e.g with MSI Afterburner) at least does have some control over the power limit, but it's usually only something small like 110% (10% above stock power). You need to mod your bios to unlock these limits, which is relatively safe these days although still an annoying restriction.


ohh ok.. thanks for the information.. didnt know about this.
yeah i noticed that numbers in nvidia-settings and actual numbers were quite different.. also it still automaticaly controlled my clocks... im not going to start hacking my VGA BIOS though... i just run it at stock untill i see a game that doesnt run good enough..then i buy a new card :)
a lot simpler than messing with settings imo ...
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