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Very interesting problem while OC'ing a Asrock z68 extreme7/ i7 2600k - Page 2

post #11 of 29
Thread Starter 
yes i mean CPU Core Voltage.

Currently i am doing fixed at 1.35v successfully. if offset mode, how much should i try first or do you recommend i run auto on my board?

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post #12 of 29
Quote:
Originally Posted by aiers View Post

yes i mean CPU Core Voltage.

Currently i am doing fixed at 1.35v successfully. if offset mode, how much should i try first or do you recommend i run auto on my board?

No i meant vtt on auto not CPU core voltage. Your doing it right.
If you want to use offset, start at +0.005 setting first, if that fails move up to +0.010 and so on.
Dont go past +0.040 for the time being.
Doing this you must disable c3 state, c6 state and package state in cpu configuration tab in bios.
Enable speedstep and C1E state
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post #13 of 29
Thread Starter 
Quote:
Originally Posted by Denim-187 View Post

No i meant vtt on auto not CPU core voltage. Your doing it right.
If you want to use offset, start at +0.005 setting first, if that fails move up to +0.010 and so on.
Dont go past +0.040 for the time being.
Doing this you must disable c3 state, c6 state and package state in cpu configuration tab in bios.
Enable speedstep and C1E state

sorry i wasnt being clear.

at the moment i use the below setting for my vtt/ dram/ pch and vccsa EXCEPT CPU core voltage i change to 1.35 and CLL at level 2.


img0184v.jpg
By aiers at 2011-12-13
Edited by aiers - 12/13/11 at 7:52am
post #14 of 29
Yes thats fine.. LLC is what its called (not CLL).
Level 2 is a good setting. For fixed and offset. I would keep it at level 2 always.
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post #15 of 29
Thread Starter 
Quote:
Originally Posted by Denim-187 View Post

Yes thats fine.. LLC is what its called (not CLL).
Level 2 is a good setting. For fixed and offset. I would keep it at level 2 always.

righto.

thanks again for your great help!

is there any good read on this turbo boost setting?
post #16 of 29
Nps smile.gif yeh theyre everywhere, its pretty basic tho. Googles ur friend !
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post #17 of 29
Thread Starter 
After gotten some help from Denim here. I went reading more from Google. read more on stickies.

and start playing around with more.

now i encounter another interesting question which may need more help from Denim.

I did a quick & dirty OC and prime test (10 mins) on several settings. the best which is below picture.

I was trying very hard to reduce my overall vcore usage with a 4.6ghz multiplier.

Basically i reduce the PLL to 1.6 and set the rest on auto.
LLC on level2.
turn on all intel functions c1e, c3, c6, speedstep and etc.

BUT 2 things i realise during the course of me trying to trim the vcore.

first is, when people oc, people tend to crank up the volts. For me, my mobo prefers negative offsets. i have to use a -0.35v offset to reduce the vcore.

I also have another problem which i think i know whats the cause, but i have basically stuck.

if i turn off c1e, and i put a negative offset of -0.4, i can boot into windows and run a short prime test no issues as the vcore dont get throttles, it basically hovers around 1.30 steady.
but if i turn on c1e, and i put a negative offset of -0.4, i get BSOD when starting windows. (presumably i think it because somehow when windows boots, it consume quite a bit of resources and the c1e ramp the voltage too low on a specific multiplier)

I read that c3/c6 is required for turbo boost (sleeping 1 core so another core gets more power), so i didnt try turning it off to see if it will help as i am basically oc'ing using turbo boost.

Anyone got any good ideas on how to resolve this? I am almost certain my chip can take 1.3v at 4.6ghz (although maybe it will fail a 12hr prime which i havent got around to yet as i am still fooling around)

i guess that this is the pros-cons of using offsets...?

second is, as the picture shows, my vtt is at 1.254volt when i start my pc but i clearly set it in the mobo as 1.059 (the default). Any idea why? is it normal?

oc46.png

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post #18 of 29
Thread Starter 
I am really concern with my vtt voltage, because i read somewhere that it shouldnt go anywhere above 1.2v
post #19 of 29
Quote:
Originally Posted by aiers View Post

I am really concern with my vtt voltage, because i read somewhere that it shouldnt go anywhere above 1.2v

just not for 24/7.

as long as your not overclocking your ram, vtt should be near or at stock.
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post #20 of 29
Thread Starter 
i just find out what is wrong.

I actually down clock the VTT core during one of my session fooling around the mobo. i downclock it to 1.055v and... presto, the AXTU software shows that i am running at 1.254
if i downclock to 1.04-something(cant remember) , AXTU software shows 1.241.

I think its a mobo bug. if i go at 1.059, it shows 1.059. lol

where can i report asrock's bugs?

not sure if its only my mobo or everyone's else is experiencing this but they didnt know.

those who have Asrock Extreme 7 Gen 3 board be careful!

On the other hand, any advice on the c1e versus vcore problem?
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