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Where to start? i7-3820 and ASRock X79 E4

post #1 of 6
Thread Starter 
I'll start by apologizing as I know I'm about to step on a toe or three. You see, I got spoiled after reading "The GTX 670 Overclocking Master-Guide" by SeanPoe located on this site. I've not seen a better OC guide written anywhere. So, now that I've got my GPU buzzing right along, I wanted to dig into OC'ing my CPU, etc. Unfortunately, I haven't found anything to compare with that GPU guide I mentioned. There is a thread on the site regarding the 3820, but after reading 20+ pages, it seems it's a bunch of folks trading clock and temp specs without a mention of how they got there. As someone new to this thing, I'd like an explanation of how to work with my CPU and MOBO (For example, should I use the ASRock Extreme Tuning Software, or work through the UEFI, or both?). This is especially confusing as I've read opinions from other sites that warn against trying to OC a 3820 or that if you do the differences aren't worth the effort. I've also read the pinned OC guides on this site which help in understanding terminology, but aren't board/CPU specific. So, any help in pointing me to the holy grail of clocking a 3820 would be appreciated.

FYI: Along with the 3820 and the ASR X79 E4, I am using Kingston Hyper X DDR3 4x4 2133 ram.
post #2 of 6
You are going to need to OC with the BIOS, as frequency changes are not safe with software.
The 3820 is locked, so you can only OC using the base clock, or frequency. Right now it should be at 100Mhz (I think). Bring that up a Mhz or two and try it out. Keep in mind that your RAM will also increase in speed, so you may want to drop that speed down a step or two.

Thats all I know about the 3820:rolleyes:
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post #3 of 6
Thread Starter 
Thank you for taking the time to reply.
post #4 of 6
Quote:
Originally Posted by Legonut View Post

You are going to need to OC with the BIOS, as frequency changes are not safe with software.
The 3820 is locked, so you can only OC using the base clock, or frequency. Right now it should be at 100Mhz (I think). Bring that up a Mhz or two and try it out. Keep in mind that your RAM will also increase in speed, so you may want to drop that speed down a step or two.
Thats all I know about the 3820:rolleyes:

Actually, you don't OC with the BCLK in the traditional sense.

You should have multis up to 44x if I recall correctly. You will then change the BCLK strap so that the core BCLK is 125MHz and use the multi from there. Here's a guide for Sandy Bridge-E: http://www.overclock.net/t/1189242/sandy-bridge-e-overclocking-guide-walk-through-explanations-and-support-for-all-x79-overclockers

EDIT: Just note that guide is mainly for the unlocked CPUs so just change the BCLK strap to 125MHz and then follow the guide. Also, this will change your memory frequency, so watch what speed your memory is running at. wink.gif
Edited by DirektEffekt - 12/12/12 at 3:21pm
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post #5 of 6
Thank you for posting the correct information.
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post #6 of 6
Quote:
Originally Posted by DirektEffekt View Post

Actually, you don't OC with the BCLK in the traditional sense.
You should have multis up to 44x if I recall correctly. You will then change the BCLK strap so that the core BCLK is 125MHz and use the multi from there. Here's a guide for Sandy Bridge-E: http://www.overclock.net/t/1189242/sandy-bridge-e-overclocking-guide-walk-through-explanations-and-support-for-all-x79-overclockers
EDIT: Just note that guide is mainly for the unlocked CPUs so just change the BCLK strap to 125MHz and then follow the guide. Also, this will change your memory frequency, so watch what speed your memory is running at. wink.gif
Quote:
Originally Posted by Nocturin View Post

Thank you for posting the correct information.

Ah, I see. I thought "locked" meant the multi was stuck at stock. I'm glad you cleared that up. thumb.gif
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