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2600k + ASRock p67 EXTREME4 OC settings?

post #1 of 12
Thread Starter 
I've got a p67 EXTREME4 mobo, a 2600k cpu and a Noctua NH-D14 that I want to run an OC setup with. This will be the first time I OC a cpu indefinitely so I want to get it right the first time. I understand that I've got to increase the multiplier and the voltage, so what else other than that do I need to tweak in the bios? They've got DRAM voltage, Turbo Mode, VTT, VCCSA -- all kinds of stuff that I have no idea about.

I want to shoot for getting 4.8GHZ stable and I think that's doable considering the Noctua, so that means putting the multiplier at 48 or so. What should I set the voltage to? I'm not sure if there's a lot of other stuff to tweak, so does someone know of a guide out there that's specifically for an EXTREME4 mobo and a 2600k processor?

I can read a guide for running stress tests via the additional software once I'm in Windows 7, so I want to get the bios settings out of the way and make sure I do it perfectly first.
Edited by Thared33 - 6/16/11 at 9:42pm
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post #2 of 12
Thread Starter 
From what I can tell after reading a bit the two main things that I need to change are the multipliers and the Vcore setting. My first goal is to get it stable at 4.8ghz with a voltage of... say, 1.38?

I'm still a little confused about turning on Turbo Mode, TDC, TDP, LLC, and a few other things - I'm not sure what others set this stuff to. There's also this thing I read that sets your cpu speed really low when it's idle. I know I have a bunch of noob questions here but I gotta learn sometime wink.gif

Considering that I've got the Noctua though, I don't think temperatures will be a problem. I'll get this baby going at 5ghz if I can. I upgrade my PC once every 3 years or so, and I think OC'ing at 5ghz will give me at least 3-4 years of 24/7 use out of it, no? If not I'll stick to 4.8ghz.
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post #3 of 12
Were you able to get your system stable at 4.8? I've been using the auto 4.8 but am not too happy with the temps and now want to try doing it manually. I also have the Noctua but I'm on 2500K instead of the 2600K. Mind sharing what you've gotten to work in the BIOS? Thanks!
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post #4 of 12
I just picked up a p67 extreme 4 gen3 and 2500k~ will probably be watching this the next few days til I get my cooler setup.

Not sure if the wife will allow me to go with something like the corsair h80/h100 or if I'll have to get the 1156/1155 conversion for my TRUE 120.
post #5 of 12
Your mobo is similar to the one i have, and although we have different cpu's, the steps i used to achieve my oc can apply to you: Set your multiplier to 48x, turbo booster to manual with SDP and LDP to 250; Internal PPL enabled, and LLC at level2 or 3. In voltages i use offset,you might wanna try fixed, may work for you. If you choose the offset, try +0.10, if it boots and passes prime test, u can start lowering. I have disabled C3 and C6 states.
The Cpu PLL plays also a very important role, after finding the right voltage for you, or even if you find trouble in gettin it stable, lower it to 1.7xx, worked for me.

Hope this can help you gettin started in takin more from your machine. Cheers smile.gif
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post #6 of 12
Quote:
Originally Posted by rootzreggae;14962140 
Your mobo is similar to the one i have, and although we have different cpu's, the steps i used to achieve my oc can apply to you: Set your multiplier to 48x, turbo booster to manual with SDP and LDP to 250; Internal PPL enabled, and LLC at level2 or 3. In voltages i use offset,you might wanna try fixed, may work for you. If you choose the offset, try +0.10, if it boots and passes prime test, u can start lowering. I have disabled C3 and C6 states.
The Cpu PLL plays also a very important role, after finding the right voltage for you, or even if you find trouble in gettin it stable, lower it to 1.7xx, worked for me.

Hope this can help you gettin started in takin more from your machine. Cheers smile.gif

Thank you for taking the time to write that up! +rep

Do you know what is the preferred way of doing it, fixed or offset voltage? What does it mean by offset? Does it just add it as a little extra over some baseline voltage? If so, what is the baseline voltage or how is that determined?

Also, why do you disable C3 and C6 states? Is that so your CPU stays at the overclocked max speed the entire time?

Thank you!
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post #7 of 12
The offset voltage adds up to a base voltage. I disabled the C3 and C6 states because i was having trouble getting stable. Since every piece of hardware is diferent, you might want to try both, and see wich one works best for you. You can check your base voltage in the bios.
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post #8 of 12
Here is a quick little sandy guide I wrote, hopefully it may help you on your quest:
SANDY GUIDE (Click to show)

Here's my quick little sandy guide:
Quote:
The only things will that will require multiple changes are the vccio (VTT), PLL voltage and vcore, refer to this:

Set the whole thing to stock and start again. This time only change the RAM to XMP (STOCK) and run prime blend for a few mintues to see that your CPU is functioning properly.

Then comes the task of determining the voltage for the multiplier, but that comes after you find the correct LLC setting for your mobo. What you want to do is set the LLC to the one that is closet to what you set it to when the cpu is under load, so for example if you set 1.35v and under load it's 1.31v and that's level 3 then you may have to increase the LLC, now depending on high your mobo works it could like so: 1 being the highest LLC and 5 being the lowest and vice versa. The objective is to keep the voltage under load as controllable as possible without it letting it spike. These LLC settings will be different amongst mobo's. For Asus mobo's the Ultra high (75%) LLC seems to work best.

Then it comes to that task of finding the actual voltage for the overclock, however before we get to that, I would advise you to reduce PLL voltage to 1.7v (Scroll down or go to sandy stable club about PLL info). Then set the vcore manually to 1.25v, Leave C1E and Speedsteep enabled and run C3 and C6 on Auto if you can, if not leave them enabled. Also leave Spread spectrum enabled, if you find that it disrupts the bclk in cpu-z then just disable it.

Additional settings that you need to change from the get go, but won't need to be changed afterwards:


Can be found under advanced settings/cpu configuration:

Quote:
For Asus Mobo's
CPU Current Capability - 140%
Phase and Duty Control - Extreme
EPU Power saving - Disabled
VRM Frequency - Manual - 350
Quote:
For Asrock Mobo's
Turbo Boost Power - Manual
Short Duration Power Limit - 250
Long Duration Power Limit - 250
Core current Limit - 250
Quote:
For Biostar Mobo's
CPU Core Current max (AMP) - 150
Power Limit Value 1 & 2 - 200
Quote:
For Zotac Mobo's
Turbo Boost Power Max - 200
Turbo Boost Short Power Max - 200
Quote:
For Gigabyte Mobo's
Turbo Power Limit - 200
Quote:
For MSI Mobo's
Short Duration Power Limit- 250
Long Duration Power Limit - 250

Overvoltage is only needed when a particular multi (usually the high ones) doesn't boot into windows. With that function, you sacrifice sleep mode. You can't have overvoltage and Sleep working together, don't know why, could be BIOS related.

This should be a stepping stone to get your rig stable. With those settings you will eventually get to the point where you're stable.

Set the multi to 45 and the vcore to 1.25v and increase the vcore each time after you stress test, run a quick custom prime with these FFTs (1344 & 1792) like THIS and go back and change the vcore accordingly, bump it by one not big jumps and that goes for PLL and VCCIO (VTT) and VCORE!!!

Work your way up from there, increase multi, test with prime, if it fails up vcore, if not up the multi. Until you are satisfied with the temps and it is stable then continue upping the vcore to stabalise.


Just a note: The custom FFT's are not that consistant, making them not all that reliable, however if it works for you, then that's great. What I mean by inconsistant, is that it may pass once with the same settings but may fail the exact same run second time round. In that instance I will recommend you to run a standard blend test to find your overclock, using intervals of 15/30mins. This duration will increase when you're nearing stability. This is a lenthy process, one that takes time and patience, make sure your up to the task thumb.gif

Head over to the Sandy Stable Club for more info and tips thumb.gif


Here are the additionl info regarding PLL voltage, VCCIO and VCCSA: READ THIS & THIS
Quote:
Originally Posted by munaim1;14786120 
Just thought I'd let you guys know, I have been testing the PLL voltage further and found something quite amazing. With my current stable settings including the PLL voltage around 1.7v was stable as you can see from my submission to the club. For the last 10days or so I tried messing around with the PLL, I dropped it down to 1.4v and started going up, I kept on receiving the Error 124 up until I reached 1.55v and it passed both the 1344 and 1792 test along with a few hours of prime blend. My sweet spot is at 1.55v.



One more thing, BSOD Error code 101 is usually refered to the vcore being too low, Error 124 can also be vcore, VTT (VCCIO) or even PLL voltage being to high or too low.

smile.gif

Hope that helps thumb.gif By the way in the first post of the Sandy Stable Club there are a few other guides you might like to read to get familiar with your bios settings. Link is in my sig below.
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post #9 of 12
Quote:
Originally Posted by munaim1;14962609 
Here is a quick little sandy guide I wrote, hopefully it may help you on your quest:
SANDY GUIDE (Click to show)

Here's my quick little sandy guide:



smile.gif

Hope that helps thumb.gif By the way in the first post of the Sandy Stable Club there are a few other guides you might like to read to get familiar with your bios settings. Link is in my sig below.


Thanks munaim! I actually have that guide of yours open in another tab on my laptop while I'm trying to OC my desktop right now. The part I don't understand exactly is what you mean by your description of how to set LLC. In my BIOS I only have the options of Level 1 - Level 5 but I had a hard time understanding what you meant when you said:
Quote:
What you want to do is set the LLC to the one that is closet to what you set it to when the cpu is under load, so for example if you set 1.35v and under load it's 1.31v and that's level 3 then you may have to increase the LLC, now depending on high your mobo works it could like so: 1 being the highest LLC and 5 being the lowest and vice versa. The objective is to keep the voltage under load as controllable as possible without it letting it spike.

What do you mean by "what you set it to when the CPU is under load, so for example if you set 1.35v and under load its 1.31v and that's level 3 then you may have to increase the LCC".

In my ASRock board it is currently set to Auto I believe, or maybe Level 5. When my board is under 100% load with LinX at 4.7GHz, I have my vcore set to a fixed 1.35v and in CPU-Z I see the Core Voltage go as high as 1.360 but usually stay at 1.264v.

What should my LLC be set to for these kind of numbers? Thank you for helping a noob out. I really appreciate it.
Edited by GasMan320 - 9/16/11 at 6:18pm
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Crucial C300 128GB + 3x 1TB Spinpoint F3 RAID0 2x ASUS 24x DVD+-RW/DL Noctua NH-D14 Windows 7 Pro x64 SP1 
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post #10 of 12
Quote:
Originally Posted by GasMan320;14962665 
Thanks munaim! I actually have that guide of yours open in another tab on my laptop while I'm trying to OC my desktop right now. The part I don't understand exactly is what you mean by your description of how to set LLC. In my BIOS I only have the options of Level 1 - Level 5 but I had a hard time understanding what you meant when you said:



What do you mean by "what you set it to when the CPU is under load, so for example if you set 1.35v and under load its 1.31v and that's level 3 then you may have to increase the LCC".

In my ASRock board it is currently set to Auto I believe, or maybe Level 5. When my board is under 100% load with LinX at 4.7GHz, I have my vcore set to a fixed 1.35v and in CPU-Z I see the Core Voltage go as high as 1.360 but usually stay at 1.264v.

What should my LLC be set to for these kind of numbers? Thank you for helping a noob out. I really appreciate it.

Basically LLC is there to compensate the vdroop, the vdroop is the voltage of the cpu when it is under load. When LLC is disabled or at it's lowest that drop is higher for example LLC level 4 would like this:

Level 4
1.35v set in the BIOS - CPU under LOAD = 1.30/1.31v

Level 3
1.35v set in the BIOS - CPU under LOAD = 1.32/1.33v

Level 2
1.35v set in the BIOS - CPU under LOAD = 1.34/1.35v

Level 1
1.35v set in the BIOS - CPU under LOAD = 1.36/1.37v

That's just an example. Level 1 spikes the voltage above what is set in the bios which is not a good thing, level 2 seems to work better as it stays just below or exactly but Doesn't spike higher than 1.35v.

The aim of LLC is so that the BIOS voltage and CPu under load voltage is as close as possible without going above what is set in the BIOS.

Hope that helps thumb.gif
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