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Overclocking Cache, Memory, etc?

CC268
By CC268
in CPUs, Motherboards, and Memory
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I see that on most of these overclocking guides the guide talks about overclocking the cache, cache voltage, memory, VCCIO, SA Voltage, etc...

Do I need to do any of these or should I just worry about the Core Clock and Voltage?

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Okay...so use the XMP profile after I am done with the overclock and then set the cache clock the same as the core clock. Anything else that needs to be done?

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A lot of overclocking guides say to set your ram voltage up from base, but you're using DDR4 so I don't know how that effects anything. Also disable turbo as you will already be over the max clock speed gained by a single core using it.

If anyone asks you never saw me.

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Ah alright turbo was my next question so I will find that in the BIOS and turn that off. So far I have just be following the Skylake Overclock guide over on overclock.net but they talking about changing SA Voltage, VCCIO, RAM voltage, etc and I know nothing about that and they don't talk about why you should change those so I am hesitant to do so. I guess I will keep researching.

Unfortunately there isn't a ton of overclocking guides for skylake yet so I am trying to piece everything together.

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Ok, cache overclocking will only ever benefit synthetic benchmarks, you'll see zero real use performance benefits from OCing cache. Considering the extra heat it throws out its generally a good idea to push the cache as far as you can without increasing cache voltage and leave it there.

For RAM just stick to XMP and leave it there. You should have XMP off at first until you've got a stable OC then once your happy everything is good enable it.

SA & VCCIO voltage can help to stabilise an otherwise unstable OC by giving the chipset buses a little more juice. If you reach a point where your happy and you've not adjusted them it's no big deal. Generally you shouldn't need to touch them unless your pushing into extreme overclocks anyway, your 6600 should hit 4.6 fairly easily so that's a good aim.

Finally be careful with Ram voltage, don't go anymore than 0.5v higher than stock otherwise you run a serious risk of killing it.

Good luck.

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Master thanks a ton for the info that really helped clear some things up.

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Do you guys do anything with Load Line Calibration?

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Looks like I can't disable Intel Turbo Boost...it is greyed out in the BIOS.

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Shoot I would take a photo of the BIOS but I'm stress testing right now. Basically under Misc. Settings there is EIST, Intel Turbo Boost, and Enhanced Turbo. The Intel Turbo Boost shows it as being Enabled but it is greyed out and won't let me change it.

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you have to keep turbo boost enabled if your overclocking

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Oh alright that would make sense then. Thanks!

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Is that for Skylake only? With Haswell you can set it over your clock or disable it.

 thats for any chip that supports turbo boost technology. basically sandybridge or newer

 

if you disable turbo boost, your maximum core frequency will be limited to stock clocks or what your particular board sets the stock multipliers for.

Mainboard Asrock Z170 OCF CPU 6700k RAM Tridentz 3600 HDD Intel 730 240gb GPU GTX 780ti sc acx PSU Silverstone Strider 1200W  Case Antec 900 Laptop Lenovo Thinkpad T520 build log-   http://linustechtips.com/main/topic/35809-antec-900-the-re-birth-of-a-legend/ Check out the Tech Center https://www.youtube.com/user/prokon24/videos LTT's Unicore King

 

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thats for any chip that supports turbo boost technology. basically sandybridge or newer

if you disable turbo boost, your maximum core frequency will be limited to stock clocks or what your particular board sets the stock multipliers for.

Not if you overclock, I guess that's what I'm asking. If you overclock past the stock turbo frequency then your CPU won't go backwards. If you set the turbo past your overclock then you have to test the one core at the higher clock speed independently from the other cores. Big pain in the butt. Gigabytes Bios tell you to turn it off since it's not doing anything if you're overclocker past the set turbo frequency.

If anyone asks you never saw me.

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Not if you overclock, I guess that's what I'm asking. If you overclock past the stock turbo frequency then your CPU won't go backwards. If you set the turbo past your overclock then you have to test the one core at the higher clock speed independently from the other cores. Big pain in the butt. Gigabytes Bios tell you to turn it off since it's not doing anything if you're overclocker past the set turbo frequency.

 

 

 

I just read that bit in the bios....

 

i just disabled turbo boost and my 4.8ghz overclock was set to 4.0ghz on all cores. 4790k on a ud5h

Mainboard Asrock Z170 OCF CPU 6700k RAM Tridentz 3600 HDD Intel 730 240gb GPU GTX 780ti sc acx PSU Silverstone Strider 1200W  Case Antec 900 Laptop Lenovo Thinkpad T520 build log-   http://linustechtips.com/main/topic/35809-antec-900-the-re-birth-of-a-legend/ Check out the Tech Center https://www.youtube.com/user/prokon24/videos LTT's Unicore King

 

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I just read that bit in the bios....

i just disabled turbo boost and my 4.8ghz overclock was set to 4.0ghz on all cores. 4790k on a ud5h

My Brother! I've got a UD3H and a 4690k, my boards a black edition. Got a card and everything LOL.

If anyone asks you never saw me.

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here in the screenie you can verify

 

cpu is at 100%

 

turbo is disabled

 

all cores are at 4.0ghz ( even tho they are set to 48 in the bios)

 

temps are not an issue

post-4039-0-29753400-1444710312_thumb.pn

Mainboard Asrock Z170 OCF CPU 6700k RAM Tridentz 3600 HDD Intel 730 240gb GPU GTX 780ti sc acx PSU Silverstone Strider 1200W  Case Antec 900 Laptop Lenovo Thinkpad T520 build log-   http://linustechtips.com/main/topic/35809-antec-900-the-re-birth-of-a-legend/ Check out the Tech Center https://www.youtube.com/user/prokon24/videos LTT's Unicore King

 

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Alright I am a bit confused now...I can't even disable Turbo Boost in my MSI Bios so I am assuming it is alright to leave it on...

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Can someone clear this up for me? Bit confused by the above posts...

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The issue is the use of Intel's XTU, it does not play well with Gigabyte Bios. I won't comment on other brands as I don't know them. I have currently lost two Bios profiles to XTU.

 

turbo won't hurt anything as long as it's at the same clock speed as your overclock. I wouldn't go higher as that is a pain to test stability on.

If anyone asks you never saw me.

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Can someone clear this up for me? Bit confused by the above posts...

 

 

Leave turbo Enabled. Dont even think about disabling if your overclocking.

 

Leave EIST Enabled

 

There is a reason the option is grey out in the enabled position...your overclocking

 

SA Voltage, VCCIO _ Leave these set for auto

Mainboard Asrock Z170 OCF CPU 6700k RAM Tridentz 3600 HDD Intel 730 240gb GPU GTX 780ti sc acx PSU Silverstone Strider 1200W  Case Antec 900 Laptop Lenovo Thinkpad T520 build log-   http://linustechtips.com/main/topic/35809-antec-900-the-re-birth-of-a-legend/ Check out the Tech Center https://www.youtube.com/user/prokon24/videos LTT's Unicore King

 

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