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Overclocking Gigabyte GTX 560 Super Overclock

post #1 of 3
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Hey guys,

So I was hoping to try and overclock my Gigabyte GTX 560 Super Overclock however I had a look in the manual just then and it says "Shader clock is fixed for all NVIDIA 500 Super Overclock series". Is there anyway to get around this?

Cheers

Andrew
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post #2 of 3
Here my 560 series OC Guide:)
I have actually posted it alot around here but for you I am happy to do it again:D

1.)Get a reliable Overclocking tool: http://event.msi.com/vga/afterburner/download.htm

2.)Make sure you have installed overclocking friendly dirvers, currently that is 266. and 280.

3.)Raise only your Core Clock in intervalls of 15 MHZ and run a benchmark or stress test after every increase in order to determine the stability.
(You are leaving the Memory OC alone for now as it is only another instability factor, and because the Memory OC is unessential if not to say irrelevant for the OC performance anyway.At the end when you have a stable Core clock you can engage the Memory OC if you insist)
The Shader clock is linked to the Core and will be risen with it, so you don´t or better can´t touch that.
For stress testing:http://www.3dmark.com/de/3dmark11/download/

4.)At a certain point of repeating point 2 you will experience certain instabilities:artifacting(white/black stripes or squares, driver crashes, vast performance drops or screen freezing.
That will be an indicator for you to have reached your max OC under stock voltage and you will have the opportunity to either back the clocks down a bit until you do not experience any instabilities anymore and have a stable OC under stock voltage or raise the voltage in order to continue overclocking.
If so only raise the voltage very slightly though in order to to find the lowest possible voltage setting for your OC to be stable, that will give you optimal temps
Also after every voltage increase again run a benchmark or stress test and check if the instabilities are gone, if they do your current OC setting is stable and you can either proceed clocking higher or leave it if you are satisfied, if not you need to up the voltage as long as you do not experience any instabilities anymore.

5.)Always be sure to keep an eye on your temps, I would say 80C -90C is the max for an aircooled GTX 560, playing it safe of course.
Also play it safe with your voltages!
1.12V for Reference and 1.15-1.20V for Non Ref Carda should be considered the max on air.

6.)Only keep the applied OC and voltages for the benchmark run and afterwords immediately return your OC to stock.
That is especially important to overclockers on air because this way you will only stress the card for a short period of time and won´t accidentally run it 24/7.
Also always have your fan at 100% while running the benchmark of course.

7.)If in the end everything is stable, you can now try to overclock the Memory.
Just like with the core proceed after the same pattern in intervalls of 50MHZ with testing after every increase
Memory will go much higher than the Core clock which is why your ups can be higher.
But be aware that the benefits in performance regarding memory overclocking are negligable.

Hope that helps:thumb:
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post #3 of 3
Great info!
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