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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 621

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post #6201 of 9536
Thread Starter 
Quote:
Originally Posted by inedenimadam View Post

Quote:
Originally Posted by inedenimadam View Post

Kenny, I tried to ask you yesterday, but the thread has moved a couple pages since then. What is the scoop with BCLK for daily? Some say 103, some 105, and most say nada. What about a mild underclock on the bclk? are we talking damage or any negative pcie performance with a underclocked bclk?

So I will open this up to anybody who might be able to help with BCLK. I really do want to know more about the effects on the rest of the components.

Here is what I have with a underclocked BCLK:

idle @ 0.832V____ 97.9 x 16 = 1566Mhz
1566 (Click to show)

load @ 1.080V____ 97.9 x 46 = 4503Mhz 4503 (Click to show)

These are stable.

Sorry missed your question. frown.gif

Well BLCK should be kept within 5% of the stock value of 100.0. So no more than 105 and no less than 95.
This is because the BLCK is not only the "Front Side Bus (FSB)" but has control over everything that interacts with the CPU.
If you take it too far out of specs it can damage items.

Messing with BLCK is not advised because it is hard to get any real value out of it and can just lead to system instability.
However, if you find that it helps you out then by all means do so. But again no more than 105 and no less than 95.
post #6202 of 9536
Quote:
Originally Posted by exzacklyright View Post

nah just something easy. the only problem is my BIOS keeps freezing and the few seconds it doesn't freeze I can't even find the cpu multiplier setting


You might want to get that BIOS situation figured out first. Thats where all the tweaking happens so if your unable to navigate it.... Wish I could help ya but not too sure what the problem may be. The CPU multiplier is under the "OC Tweaker" section, you set CPU Ratio to "All Core" then the box next all core you type in your multiplier.
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post #6203 of 9536
Quote:
Originally Posted by kennyparker1337 View Post

Quote:
Originally Posted by inedenimadam View Post

Quote:
Originally Posted by inedenimadam View Post

Kenny, I tried to ask you yesterday, but the thread has moved a couple pages since then. What is the scoop with BCLK for daily? Some say 103, some 105, and most say nada. What about a mild underclock on the bclk? are we talking damage or any negative pcie performance with a underclocked bclk?

So I will open this up to anybody who might be able to help with BCLK. I really do want to know more about the effects on the rest of the components.

Here is what I have with a underclocked BCLK:

idle @ 0.832V____ 97.9 x 16 = 1566Mhz
1566 (Click to show)

load @ 1.080V____ 97.9 x 46 = 4503Mhz 4503 (Click to show)

These are stable.

Sorry missed your question. frown.gif

Well BLCK should be kept within 5% of the stock value of 100.0. So no more than 105 and no less than 95.
This is because the BLCK is not only the "Front Side Bus (FSB)" but has control over everything that interacts with the CPU.
If you take it too far out of specs it can damage items.

Messing with BLCK is not advised because it is hard to get any real value out of it and can just lead to system instability.
However, if you find that it helps you out then by all means do so. But again no more than 105 and no less than 95.

Thanks, I am only going -2.1 on it, so by your standards I should be in the clear. It is really not "needed" per se, however, it allows me to hit a midpoint in my RAM overclock with 1958Mhz, where 2000 fails, without higher timings and therefore higher latency. I know its splitting hairs really, but, I also can idle @ 1566Mhz and a ridiculously low VCore, and still manage to hit my target overclock with the same voltage as a standard bclk overclock. The only think I have left to do is to test if it has any adverse affect on the discrete GPU, as I understand the pci is also tied to BCLK. I guess when I get around to testing, I will return with the results.

Raining like heck here, so I got nothing better to do today!
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post #6204 of 9536
Quote:
Originally Posted by UPGR4Y3DD View Post

You might want to get that BIOS situation figured out first. Thats where all the tweaking happens so if your unable to navigate it.... Wish I could help ya but not too sure what the problem may be. The CPU multiplier is under the "OC Tweaker" section, you set CPU Ratio to "All Core" then the box next all core you type in your multiplier.

TBH i have no idea what's with the BIOS
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post #6205 of 9536
Quote:
Originally Posted by exzacklyright View Post

TBH i have no idea what's with the BIOS
Do you know what version of BIOS you're running? What mobo are you running?
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post #6206 of 9536
Quote:
Originally Posted by UPGR4Y3DD View Post

Do you know what version of BIOS you're running? What mobo are you running?

extreme 7 gen 3 ... p1.30

Ran the Custom Blend test for an hour with no bsod @ 4ghz. Might just stay here. It failed at 4.4ghz.
Edited by exzacklyright - 5/4/13 at 5:12pm
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post #6207 of 9536
P1.30? That's your BIOS? 2.30 is the most recent, you should upgrade.
http://www.asrock.com/mb/overview.asp?cat=Download&os=BIOS&Model=Z68%20Extreme7%20Gen3
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post #6208 of 9536
I only had BIOS freezes so far when my overclock wasn't stable (and by that I mean really unstable).
Had quite some fun racing to the correct screen, hitting the keys like a maniac and managing to select save and quit just in time. wink.gif

Is your BIOS freezing even without an overclock?
You could also use the Asrock utility to test for a stable overclock, but to set it permanently, the BIOS is the preferred option. Plus, you can't set the turbo voltage in the tool, only the regular offset (and no power options either).
post #6209 of 9536
Quote:
Originally Posted by UPGR4Y3DD View Post

P1.30? That's your BIOS? 2.30 is the most recent, you should upgrade.
http://www.asrock.com/mb/overview.asp?cat=Download&os=BIOS&Model=Z68%20Extreme7%20Gen3
NVM I am on P2.30
Quote:
Originally Posted by spoonium View Post

I only had BIOS freezes so far when my overclock wasn't stable (and by that I mean really unstable).
Had quite some fun racing to the correct screen, hitting the keys like a maniac and managing to select save and quit just in time. wink.gif

Is your BIOS freezing even without an overclock?
You could also use the Asrock utility to test for a stable overclock, but to set it permanently, the BIOS is the preferred option. Plus, you can't set the turbo voltage in the tool, only the regular offset (and no power options either).

Yeah it was freezing even without an overclock.. I have no issues outside of BIOS which is weird.
Edited by exzacklyright - 5/4/13 at 6:14pm
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post #6210 of 9536
Does anyone mind sending some pics of their stable OC settings for a ivy bridge 3570k? Forgive me for not reading through the 621 pages, but i did read the OC guide (which is awesome BTW) and learned a lot, but what worries me are the settings with the vcores. I am having a hard time understanding what they should be at (the load-line CPU stuff).

My specs:

Extreme6 z77
H80i CPU cooler
Gskill 2x8gb (16GB) @1866Mhz
Ivy bridge 3570k
HX 850w PSU
GTX 670 FTW
Intel 520 SSD

Any insight would help a lot.

All i would care to have is a stable OC at 4.3-4.5Ghz
Edited by Sh3perd - 5/4/13 at 7:08pm
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