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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 105

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post #1041 of 6376
7/24/12 at 12:30am
I see. That's what I was hypothesizing, but I really wanted to be sure. So basically raise the voltage to the RAM as little as possible until the BSOD stops? Will do!

Thanks.

edit: Apparently my RAM can't run at 1.65v.

edit2: I tried adjusting the VTT voltage. The first increase from what auto set it to would go passed the threshold listed in this guide (it would have went to 1.085 and the max this guide says is 1.08) so I tried lowering it. Which then resulted in a BSOD telling me to raise it back up. I guess it will be impossible for me to proceed passed 4.4Ghz, then. But hey, I can't really complain about getting a whole GHz for free, right?
Edited by YattaRX8 - 7/24/12 at 2:32am
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post #1042 of 6376
7/24/12 at 12:42am
Happy to report I am a Extreme3 Gen3 user. My 2500k has no problem doing a 4.6ghz oc.

Using a Hyper 212 Plus + 2x Scythe Gentle Typhoon AP-15s in push pull.

34c idle and 67c load.
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post #1043 of 6376
7/24/12 at 3:06am
Hey guys,

thanks for the guide! thumb.gif I overclocked my 2500k to 4.6 GHz on my Z68 Pro3 Gen3 and it's Prime95 stable! I tested blend for 6 hours (when I was sleeping) and temperatures were fine, no errors. biggrin.gif

I got a problem though... On booting it seems to take several attempts. When I press the power button the PC tries to boot but the display stays black, the computer powers itself off after 10-15 seconds. Then I have to try again. And after 2-3 attempts the PC boots.

This is really weird. Stable when running, trouble powering up.

Here are my settings:

pg1.jpg 131k .jpg file

pg2.jpg 126k .jpg file

Can anyone help me out? I am 90% sure I did everything right, correct me if I am wrong.

Thank you so much in advance!
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post #1044 of 6376
7/24/12 at 3:43am
Quote:
Originally Posted by Megagoth1702 View Post

Can anyone help me out? I am 90% sure I did everything right, correct me if I am wrong.

Have you tried changing settings back to stock with no overclock? Does it still happen?

I'm new to this, but, is 1.575 a little high for the DRAM voltage?
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post #1045 of 6376
7/24/12 at 5:43am
When I restore settings the PC boots normally.

The 1.575 value was set by the mainboard's "auto" setting, so I took the value over. if there is a tool that can show me my DDR's voltage... Tell me about it. smile.gif
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post #1046 of 6376
7/24/12 at 6:23am
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Quote:
Originally Posted by Megagoth1702 View Post

When I restore settings the PC boots normally.

The 1.575 value was set by the mainboard's "auto" setting, so I took the value over. if there is a tool that can show me my DDR's voltage... Tell me about it. smile.gif

Try disabling PLL overvoltage and see if it fixes the problem.

The memory should either be 1.5v or 1.65v. Almost all memory is 1.5v. Look up the specs to your memory.
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post #1047 of 6376
7/24/12 at 6:45am
I disabled PPL overvoltage, booting is normal now. Thank you very much! Is the issue I had the one in the OP where PPL overvoltage is screwing up "sleeping" of the PC? I thought sleeping means the mode where the RAM gets written on the HDD and the PC shuts off. I usually just shut off the computer... Or am I mixing up the two?


My DDR sticks are 1.5v. The closest entry to 1.5 are 1.495 and 1.545, which one should I pick? I put it back a notch to 1.545 but I am not sure if I should under-voltage my RAM.
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post #1048 of 6376
7/24/12 at 7:30am
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Quote:
Originally Posted by Megagoth1702 View Post

I disabled PPL overvoltage, booting is normal now. Thank you very much! Is the issue I had the one in the OP where PPL overvoltage is screwing up "sleeping" of the PC? I thought sleeping means the mode where the RAM gets written on the HDD and the PC shuts off. I usually just shut off the computer... Or am I mixing up the two?


My DDR sticks are 1.5v. The closest entry to 1.5 are 1.495 and 1.545, which one should I pick? I put it back a notch to 1.545 but I am not sure if I should under-voltage my RAM.

You're right about sleeping but PLL Overvoltage is also notorious for causing a PC to get stuck in a boot loop. Very annoying, and not worth the 200MHz it brings to the table.

For the memory, always pick the next highest increment, so use 1.545 and you will be good to go! thumb.gif
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post #1049 of 6376
7/24/12 at 9:30am
Love you mate, thanks. ;D

One more question.

As you saw in my screenshots I have no classic offset voltage control where I can choose like +0.005v, it's in mV.

I raised the "base" voltage by 2 steps because I was having major issues booting and Prime95-ing properly and a few Turbo Boost pushes were not doing the job.

Should I leave the base voltage at default and JUST use the turbo to raise vcore? I see my idle temperatures being higher than at default voltage. Not that much of a big deal, temps are around 65 during gaming and at 70 during Prime stuff. But still... If I can cut my CPU some slack and only give extra juice when turbo is needed - I would go for that instead of raising the base voltage.

Tell me your thoughts please.
Edited by Megagoth1702 - 7/24/12 at 9:33am
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post #1050 of 6376
7/24/12 at 9:36am
Great guide!

We need more of these, especially to help some of the newer people get started with Overclocking. Although you can use general guidelines, as with the Intel Sandy Bridge overclocking (located here somewhere) it really helps smooth the first timer's learning curve when they have something to reference specific to the products they own. It saves them some of the frustration of their first overclock and eases them into it...and completes the OC brainwashing process!!

So +Rep for you!
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