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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 27

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post #261 of 9484
Anyway, heres my new settings (screenshots from CPU-Z and BIOS)

I disabled the C3, C6, and Package C Support in the BIOS already and yes it seems its stable. But I still need to observe it though.

Its a great improvement from 1.36v to 1.288v biggrin.gif

334

450

450

450

450

450

Anything I need to change to make it more stable?
Edited by chang87 - 4/3/12 at 11:13pm
post #262 of 9484
update:

PC froze up after 20mins of prime95 blend test. im not sure why? but the culprit might be the vcore?

next step is to change the offset mode from -.005 to +.005 or more.

but i had no time changing it since i had to go to work. (im in the office ryt now) biggrin.gif
Edited by chang87 - 4/4/12 at 4:50am
post #263 of 9484
Quote:
Originally Posted by chang87 View Post

update:
PC froze up after 20mins of prime95 blend test. im not sure why? but the culprit might be the vcore?
next step is to change the offset mode from -.005 to +.005 or more.
but i had no time changing it since i had to go to work. (im in the office ryt now) biggrin.gif

I noticed in your screenshots that you had LLC at level 5, bump that up to 4 or 3 and see if that helps stability.
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post #264 of 9484
@pvt.joker

i will try that once i get home later. but one thing i notice when i change the LLC to lvl 3 or 4 is the voltage also increases.

but ill definitely try it out later though. thanks
post #265 of 9484
Quote:
Originally Posted by chang87 View Post

@lucky
just a question bro, it seems that my PC is stable when putting it under full load stress (prime95, IBT)
but everytime i use it for low load thingies like browsing, etc, it will freeze up on me. no BSOD but a simple lock-up.
what could be the cause of it? is it because the C3, C6, and Package C Support are still enabled while using offset volts?
so, do i "really" need to disable the C3, C6, and Package C Support while using offset volts?

From how i understand it when your CPU is idling at 16 multi you can see that your voltage drops to around .96v -1.00v roughly. From what i read w/ C3 & C6 c states, there are separate pins in the cpu which the C3 and C6 control. C1e and speedstep bring is what brings your voltage down while idling, where c3 & c6 shut of these pins which power down more of the cpu and put it into a deep sleep state. So if your at idle and overclocked, you voltage could decrease to a level that is too low for your overclock w/ C3 & C6 enabled basically way below .96v idle voltage. Thats at least how i understand it, in a non technical way.

If your getting lockup while browsing then for the majority of time your cpu is at a 16 multi. Its guessing locking up because the idle voltage is too low which means you would have to bring your offset up (example if your at a +0.005 you would need to try a +0.010). The offset brings your idle and full load voltage up or down depending on what offset you have it at.

I would try disabling C3 and C6 and see what happens, then try a different offset.
Edited by Lucky 23 - 4/4/12 at 10:15am
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post #266 of 9484
Quote:
Originally Posted by chang87 View Post

Anyway, heres my new settings (screenshots from CPU-Z and BIOS)
I disabled the C3, C6, and Package C Support in the BIOS already and yes it seems its stable. But I still need to observe it though.
Its a great improvement from 1.36v to 1.288v biggrin.gif
334
450
450
450
450
450
Anything I need to change to make it more stable?

You should be able to disable internal PLL overvoltage, and you should manually set your DDR3 voltage to 1.499 if the ram is rated at 1.5v. C-state support i left on auto so you can try either disable or auto and see if it makes a difference. Beside that you bios looks like mine i would now see if you can boot into windows w/ a 45 multi and starting w/ a +0.005 offset or maybe a little higher.

You should also try a higher LLC as mentioned above. Im currently using level 3.
Quote:
Originally Posted by chang87 View Post

update:
PC froze up after 20mins of prime95 blend test. im not sure why? but the culprit might be the vcore?
next step is to change the offset mode from -.005 to +.005 or more.
but i had no time changing it since i had to go to work. (im in the office ryt now) biggrin.gif

Most likely vcore is too low but when it fails you can only go up in offset from there so your next jump would be a +0.005.
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post #267 of 9484
Hey everyone I posted here pages back and listed my pretty stable only crashed 2x during League of Legends for unknown reasons but my friends crash playing that to totally stock so up in the air about that but my speeds at 4.8Ghz.... solid.

I ask why do some enable C support packages while others disable it? Is there an actual reason other then choice?

I can only think of 3 reasons.

1. If you want 5GHZ you stay at 5Ghz entire time
2. If you want 5GHZ you stay at 5GHZ entire time you actually do work and enable C stats to downgrade to 1.6 while surfing web going afk etc.
3. If there is an actual reason or benefit to disabling it? Maybe the change in voltages or speeds makes things less stable?

If this is simple question plz answer!

Last question - Is there a way to change system from going down to 1.6 per say and instead change/adjust that to go down to 2.0 or 3.0 or 3.3 stock?
post #268 of 9484
@Lucky 23

Here are the screenshots of my new BIOS settings. I also included a CPU-Z screenshot while running Prime95 blend test.

So the changes that I did was, I Disabled Internal PLL Overvoltage and Changed the LLC to Level 3 (Offset +.005)

But if you look at the CPU-Z screenie, its up to 1.36v. Far from the 1.336v in the BIOS. Is Level 3 too much? Shall I try Level 4 perhaps?

335

450

450

450

Also for the RAM voltages, there is no option for 1.499v. Its just 1.495v. Would that be ok? Or shall I leave it the way it is w/c is on 1.545v?
Edited by chang87 - 4/4/12 at 12:52pm
post #269 of 9484
@change87--You have the Pro3 board so your LLC must work better then some of us w/ the Extreme 3. A level 3 on an extreme 3 doesnt seem to effect the voltage that much on our board. But your looks like it works well so you can probably stay between level 4 or 5.

I would first put it back to a level 5 w/ the +0.005 offset then save and boot back into bios and see where its at. You went from a -0.005 to a +0.005 and change the LLC level and your bios vcore went from 1.288 to 1.336. See if you can get it closer to the 1.288 and then i would start stressing it w/ prime95. Unless you want to try for 45 multi

The 1.495 should be fine its not that much different then mine at 1.499.
Edited by Lucky 23 - 4/4/12 at 2:44pm
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post #270 of 9484
I have mine running stable at 43x with a Core Voltage of 1.24. 1.36 is very high for a 43 multi. You should be able to get it much lower, at least probably 1.26.
Edited by crunkinshoe - 4/5/12 at 11:55am
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