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Spini

i7 6700 non k OC

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Posted · Original PosterOP

HI, I'm completely new to OC and I would like to OC my i7 6700 non k . I'm wondering what MB I have to purchase, I would also like to know what are the consequences of OC non k CPU. Is something works wrong beacuse of that ?

What temperatures are safe when I OC. For now I have 20-30 degree celsius rest and 50-60 degree celsius loaded.

 

My MB types :

 

ASROCK Z170

 

MSI Z170A XPOWER GAMING Titanium Edition

 

ASUS Maximus VIII Extreme

 

ASUS Maximus VIII Gene 

 

ASUS Maximus VIII Hero

 

ASUS Maximus VIII Impact

 

ASUS Z170-A Non-K OC BIOS

 

ASUS Z170-Deluxe

 

ASUS Z170-E

 

Which one would be the best?

Thanks for spent your time, greetings.

 

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You technically cant overclock a NON K CPU. 


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You can't OC non K processors, the K stands for overclockable.

But i could run my 6600 in an Asus z170 motherboard at 3.99ghz, the 4ghz was a software lock, i couldn't run the cpu any higher than that, because it was "non-overclockable".

I think i raised the baseclock or something.

 

But yeah if you really want to overclock buy either an AMD ryzen cpu, or an Intel cpu with K in the name.

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If you find a motherboard that allows unlimited BCLK overclocking on locked chips, you can overclock a locked intel chip.

 

The side effect is that it affects everything and you need to tweak the other non cpu settings down to make it work.

 

Another side effect is they seem to exist only in older bios versions, so you may be missing out on some microcode updates. My understanding is Intel locked down this "feature" with updates on boards that could previously do it.

 

Iirc most motherboards will allow SOME BCLK OC on a locked chip, 102.5 is a common number I see.


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2 minutes ago, Origami Cactus said:

I think i raised the baseclock or something.

If you did that you would definitely know.

 

Also, a Z series board is needed for base clock OC @Spini so you should look into it.


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1 minute ago, Origami Cactus said:

You can't OC non K processors, the K stands for overclockable.

But i could run my 6600 in an Asus z170 motherboard at 3.99ghz, the 4ghz was a software lock, i couldn't run the cpu any higher than that, because it was "non-overclockable".

I think i raised the baseclock or something.

 

But yeah if you really want to overclock buy either an AMD ryzen cpu, or an Intel cpu with K in the name.

 

4 minutes ago, Skiiwee29 said:

You technically cant overclock a NON K CPU. 

You could back then on certain mobos with certain BIOS versions. BCLK only if I recall correctly. Check Skylake non K oc on Youtube and Google .

 

Which is what I would advise OP to do


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Just now, racer243l said:

 

You could back then on certain mobos with certain BIOS versions. BCLK only if I recall correctly. Check Skylake non K oc on Youtube and Google .

 

Which is what I would advise OP to do

like I said.. TECHNICALLY.. didnt say it was impossible.. but technically you're not suppose to be able to. 


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2 minutes ago, Skiiwee29 said:

like I said.. TECHNICALLY.. didnt say it was impossible.. but technically you're not suppose to be able to. 

Nicely said :D


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You need a z170 board and it needs an older BIOS. Then you can work with BCLK overclocking. BCLK overclocking makes everything clock out of spec including RAM and PCIe. This means you must adjust these back down or you won't have a stable system.

 

If you do not have the motherboard already then don't bother trying to OC. Buying one is investing money in a dead platform and won't benefit performance much at all. Just get a new Motherboard and CPU that actually will increase performance. Preferably AMD since almost all their new products (except the 200GE (except on MSI motherboards with a specific BIOS)) do support overclocking.


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Wow you have so many boards... All of them available? Then the Maximus 8 Extreme is the best. Search for "sky oc bios" in Google, there's a site for downloading the BIOS for most boards that can do it. Flash that BIOS, and you're ready to play with the BCLK for overclocking.

 

Sky OC's specialty is that it doesnt affect PCIe (clock gen chips are all over the place on Z170, unlike later platforms which only a few boards have them), but it does slow down the cache (so IPC drops) and on die temperature sensors go haywire. Unless you have a thermal probe that can stick behind the CPU through the hole in the CPU socket from the back, you can only rely on socket temperature sensing. That's why you should measure the difference between socket temps and core temps before you overclock.


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