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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 748

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post #7471 of 9531
Quote:
Originally Posted by fgsfds View Post

I tried to overclock my 2500k with Asrock z77 Extreme4.
I disable PPL Overvoltage, set all power limits to maximum, offset voltage to +0.015, LLC level 2, disabled C3, C6, Package C and set CPU ratio to 44.
Now, when I start Linx test, cpu works on 4400Mhz (as it should) for about 10 seconds and then drops down to 3800-4100Mhz.
For me, it looks like some overvoltage\heating protection, but temperature (60-65C) and voltage (not more than 1.4V) are ok.

try changing windows power plan to high performance.

Edit to add: The extreme 4 has a issue with voltage reporting way lower than it is actually receiving. Unless you are using a DMM to measure voltage, you should probably stay WELL under recommended voltage for your chip, the error is around .080 on average, but I have witnessed worse on my own board. Tread with caution concerning high volts.

Good luck!
Edited by inedenimadam - 11/25/13 at 8:54am
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post #7472 of 9531
Quote:
Originally Posted by inedenimadam View Post

try changing windows power plan to high performance.

Edit to add: The extreme 4 has a issue with voltage reporting way lower than it is actually receiving. Unless you are using a DMM to measure voltage, you should probably stay WELL under recommended voltage for your chip, the error is around .080 on average, but I have witnessed worse on my own board. Tread with caution concerning high volts.

Good luck!
Doesn't seem to work. Multiplier still drops down to 39-40. And gflops result getting worse with every pass
Warning: Spoiler! (Click to show)
16331 16344 4 27.988 103.7670 2.517304e-010 3.344656e-002
16331 16344 4 28.294 102.6440 2.517304e-010 3.344656e-002
16331 16344 4 28.613 101.5008 2.517304e-010 3.344656e-002
16331 16344 4 28.943 100.3416 2.517304e-010 3.344656e-002
16331 16344 4 29.097 99.8123 2.517304e-010 3.344656e-002
16331 16344 4 29.386 98.8285 2.517304e-010 3.344656e-002
16331 16344 4 29.406 98.7634 2.517304e-010 3.344656e-002

Does it mean anything?
post #7473 of 9531
Quote:
Originally Posted by inedenimadam View Post

try changing windows power plan to high performance.

Edit to add: The extreme 4 has a issue with voltage reporting way lower than it is actually receiving. Unless you are using a DMM to measure voltage, you should probably stay WELL under recommended voltage for your chip, the error is around .080 on average, but I have witnessed worse on my own board. Tread with caution concerning high volts.

Good luck!

hmm really? I have +0.164 set in the bios and im reporting 1.424 or so in cpu-z does that mean I need to worry ?
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post #7474 of 9531
Quote:
Originally Posted by HardwareDecoder View Post

Quote:
Originally Posted by inedenimadam View Post

try changing windows power plan to high performance.

Edit to add: The extreme 4 has a issue with voltage reporting way lower than it is actually receiving. Unless you are using a DMM to measure voltage, you should probably stay WELL under recommended voltage for your chip, the error is around .080 on average, but I have witnessed worse on my own board. Tread with caution concerning high volts.

Good luck!

hmm really? I have +0.164 set in the bios and im reporting 1.424 or so in cpu-z does that mean I need to worry ?

Yes. Yes indeed. Be worried. You can read This or just scroll down and watch the video. I can confirm his findings on my board, and several others here in this thread and,other threads scattered across the web have corroborated the same.
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post #7475 of 9531
Quote:
Originally Posted by inedenimadam View Post

Yes. Yes indeed. Be worried. You can read This or just scroll down and watch the video. I can confirm his findings on my board, and several others here in this thread and,other threads scattered across the web have corroborated the same.

Yeah that is scary, I just watched his video, does anyone have a picture that shows where the solder points are so I can check it my self?

If i'm using 1.42 and it is really 1.52 that is no bueno, no bueno at all. It does mean my watercooling loop is working really well though lol.
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post #7476 of 9531
Quote:
Originally Posted by inedenimadam View Post

You dont, intel does. Vcore = VID + offset + vdroop +(at load)turbo

Dont worry about VID, it has no use here. Only look at your VCore, concentrating on VID will get you distracted, you dont have any control over it any way, and it does not affect your overclock.

So my Vcore is ~1.25 at 4.4Ghz on my 3770k, with +0.005 offset and +0.008 Turbo. I seem to hit a wall at 4.5Ghz as nothing is stable (I tried changing both offset and also Turbo). Any suggestions?
Thanks for all the help so far.
post #7477 of 9531
Quote:
Originally Posted by relikpL View Post

Quote:
Originally Posted by inedenimadam View Post

You dont, intel does. Vcore = VID + offset + vdroop +(at load)turbo

Dont worry about VID, it has no use here. Only look at your VCore, concentrating on VID will get you distracted, you dont have any control over it any way, and it does not affect your overclock.

So my Vcore is ~1.25 at 4.4Ghz on my 3770k, with +0.005 offset and +0.008 Turbo. I seem to hit a wall at 4.5Ghz as nothing is stable (I tried changing both offset and also Turbo). Any suggestions?
Thanks for all the help so far.
How much did you try adding from 4.4 stable? you might need to add anywhere from .020 to .060 depending on the your chip.
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post #7478 of 9531
My 3570k is now at 4.2GHz.
Cpu-z says my idle vcore is 0.888V, and load vcore is 1.232-1.24V.
Offset: +0.005V, Turbo: +0.004V, LLC at level 3
My load reaches 90*C somewhere around 8-9mins of stress testing. I idle at 38-42*C, but my ambient is 28-30*C.

Any suggestions to keep my temps down? I've reseated 3x and these are the lowest temps I've achieved.
post #7479 of 9531
Quote:
Originally Posted by choLOL View Post

My 3570k is now at 4.2GHz.
Cpu-z says my idle vcore is 0.888V, and load vcore is 1.232-1.24V.
Offset: +0.005V, Turbo: +0.004V, LLC at level 3
My load reaches 90*C somewhere around 8-9mins of stress testing. I idle at 38-42*C, but my ambient is 28-30*C.

Any suggestions to keep my temps down? I've reseated 3x and these are the lowest temps I've achieved.

That is so weird. My 3570K with Vcore of 1.25V, but I have offset at -0.05. My temp max out around 80C with Intel Burn Test. I use hyper Tx3. I have turbo on auto and LLC at level 5.
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post #7480 of 9531
Hi Guys,

Bit of an OC'ing noob here and i've been playing around with thing after following the guide on page one to see where i can get with my Z68 Extreme4 Gen3 and 2500k. I've uploaded some screenshots of my current bios settings as well as one of my temps and voltage whilst running prime95 (albeit for only 5 minutes it or so).












You'll note that i'm actually running a fairly heft negative offset. I found that to keep temps manageable (i.e under 70c) I needed to bump the voltage down quite a bit. Despite running a 4.5ghz OC everything seems stable after 20 minutes or so of Prime95. I know 20 minutes is nothing really but in the past i've always found my unstable OC's to fail within seconds.


What i'd like to know is why im seemingly able to run a decent enough OC with negative offset? I thought any OC would always mean bumping the vcore up, not down. Of course, i fully admit i'm an amateur at this so i may be missing something (or even a lot of things).


Thanks
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