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Ivy Bridge Overclocking Guide ► Asus Motherboards - Page 688

post #6871 of 7033
Hi Swag!

Actually, as an update, I have started again from scratch and used your guide at the beginning of this thread. Then I used Totallydubbed's video guide from your post to check my settings in bios and retested and retested and VIOLA: 4.5GHz!!!! I've even moved to offset mode and had to do some additional bumps to the calculated offset voltage and managed to get 24 hour stability with the following numbers:

Manual CPU voltage: 1.27v
Offset Voltage: +0.090v

Then just for giggles, I decided to run prime95 and Furmark on crazy high settings (GPU can handle it), and I was disappointed to get a bluescreen 2 hours in. Looked at my vcore in CPUz and noticed that for whatever reason, it was running one notch lower than when I wasn't running furmark. Bumped offset to +0.095 and VIOLA: as of 3am this morning, I passed a 24 hour stability test running BOTH furmark and prime95 at scorching settings!

I even now have reason to believe I can get 4.6-4.8 out of this chip, but heat is a factor, and I'm considering de-lidding, so I can play in the 1.3-1.35v arena. But, I'm gonna get some burnt CPUs to practice on first, so this will be a few weeks/months hence. I'm using a Corsair H80i GT H2O cooler because I need to keep the sound level down, so my pump is running at the quietest speed possible, as are its fans.

I had a lot of fun doing this, and I'm glad I could draw on this particular resource. Thank you to both you and Totallydubbed for this thread, it saved my life (and likely my CPU!)!

Regards,

Comp

EDIT - I also re-pasted the CPU/cooler contact with MX-4 TIM. Temps dropped 3-4 degrees, so whatever you do, don't use the pre-applied paste on current Corsair cooling products...clean it off and replace with Arctic Silver 5 or Arctic MX-4. I prefer MX-4, I have gotten better results out of this paste, personally.
Edited by Compucanuck76 - 10/12/15 at 12:03pm
post #6872 of 7033
Surprised people are still using Prime95. I thought everyone moved onto Realbench.
post #6873 of 7033
Hi Majnu,

I haven't used Realbench. However, since the system has been running stable now for about 2 weeks (absolutely no issues), I'll give it a go and see what my numbers look like.

Thanks for the advice.

Comp
post #6874 of 7033
Hello, I am in need of some help. This is my first time overclocking and i have an i7 3770k and an asus z77 sabertooth mobo. I can pass the 15 minute test with 4.7GHz @ 1.25V. When I bump it up to 4.8GHz I failed so I have been bumping up the vcore, but all I am getting are memory related blue screens. I am not overclocking my memory, just setting it to the tested values of 10-11-10-30-2 @1866MHz. The errors I get are either prime95 stops responding or I get a lot of 0x0C5 blue screens and other blue screens not on the list supplied.

Thanks in advance.
post #6875 of 7033
Thread Starter 
Due to the IMC being integrated into the CPU, CPU instability can result in memory BSOD.

I recommend increasing vcore until it stops occurring.
Swag's Venus
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Swag's Venus
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Samsung 830 Crucial M4 Corsair H100i Windows 7 
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Dell U2713HM Crossover 27Q (3x) Ducky TKL OCN-Version Corsair AX650 
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post #6876 of 7033
I went from 1.25 to 1.285 in .005v increments and it kept occurring, most of the time i didnt even get to start prime95 before blue screens
Edited by crafty615 - 11/8/15 at 10:23am
post #6877 of 7033
Thread Starter 
Quote:
Originally Posted by crafty615 View Post

I went from 1.25 to 1.85 in .05v increments and it kept occurring, most of the time i didnt even get to start prime95 before blue screens

Ok, if you're talking about CPU vcore with 1.85, I highly recommend you go back to your 4.7GHz overclock. That is insanely high and I didn't even know that the motherboard would allow you to do that. I personally think it's the IMC and sometimes, it's very difficult to overclock certain chips past a certain point because they can't sustain running its own calculations and the IMC.
Swag's Venus
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Samsung 830 Crucial M4 Corsair H100i Windows 7 
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Swag's Venus
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Samsung 830 Crucial M4 Corsair H100i Windows 7 
MonitorMonitorKeyboardPower
Dell U2713HM Crossover 27Q (3x) Ducky TKL OCN-Version Corsair AX650 
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post #6878 of 7033
Quote:
Originally Posted by Swag View Post

Ok, if you're talking about CPU vcore with 1.85, I highly recommend you go back to your 4.7GHz overclock. That is insanely high and I didn't even know that the motherboard would allow you to do that. I personally think it's the IMC and sometimes, it's very difficult to overclock certain chips past a certain point because they can't sustain running its own calculations and the IMC.

Sorry, typo. I meant 1.285V and .005V increments
post #6879 of 7033
for what it's worth:

IIRC both my 3770K and now 2600K seemed to need a hefty vcore increase to get over a hump. from 1.25ish to 1.3 for 4.5 to 4.6 and about the same bump for 4.4 to 4.5 respectively.

or maybe i was doing something wrong . . . redface.gif
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loon 3.2
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CoolingCoolingOSMonitor
EKWB P280 kit EK-VGA supremacy Win X LG 24MC57HQ-P 
KeyboardPowerCaseMouse
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post #6880 of 7033
I just would think I would be able to at least start prime95 or load windows before the crashes start happening, but I;m new to overclocking so i'm not sure.
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