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i5 2500k overclocking proving to be a nightmare :( - Page 6

post #51 of 99
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Right Burn test completed all 20 on maximum! forgot to print screen during so started one up to take this screenie. This was pretty much the same info i was getting throughout the test although the cpu Voltage did actually drop a tiny bit compared to what it shows here



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post #52 of 99
Quote:
Originally Posted by evilDSM View Post
Okay, one problem though seems like your CPU-Z is acting up or you have an UNBELIEVABLE chip! 4.4GHz @ 1.104v seems quite incorrect. Have you tried redownloading cpu-z? If not, please do try to.
This is actually correct...set a certain way, the chipset downvolts at idle. It's a known issue, that can cause crashed due to insufficient voltage at low cpu usage.

To get around it, I'm not sure...but I set my cpu multi manually (stock 33, rather than auto) and used the turbo lines for my 48x OC multi. Not sure what other setting (disable C3/C6?) makes the voltage not drop, but mine doesn't. Maybe using LLC?

I use cpuz 1.58.5 and it shows me the same vcore as ET6.

Glad you have your 4.4 all sorted out, you should be good from here.
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post #53 of 99
Thread Starter 
Quote:
Originally Posted by keto View Post
This is actually correct...set a certain way, the chipset downvolts at idle. It's a known issue, that can cause crashed due to insufficient voltage at low cpu usage.

To get around it, I'm not sure...but I set my cpu multi manually (stock 33, rather than auto) and used the turbo lines for my 48x OC multi. Not sure what other setting (disable C3/C6?) makes the voltage not drop, but mine doesn't. Maybe using LLC?

I use cpuz 1.58.5 and it shows me the same vcore as ET6.

Glad you have your 4.4 all sorted out, you should be good from here.
No mate it's not correct i know in some cases it may be but in mine cpu-z just genuinely doesn't show correct voltage. Anyway on to the next step

what do i need to do?
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post #54 of 99
Quote:
Originally Posted by willsk View Post
Right Burn test completed all 20 on maximum! forgot to print screen during so started one up to take this screenie. This was pretty much the same info i was getting throughout the test although the cpu Voltage did actually drop a tiny bit compared to what it shows here
Good Job! Okay that states you need 1.356v to be stable at those clocks under load and you have a VID of 1.4011 thats your starting voltage if you will and basically all you do is go into BIOS select Offset voltage with a - and set 0.050 boot back up and see at what voltage it's putting you at.
post #55 of 99
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Quote:
Originally Posted by evilDSM View Post
Good Job! Okay that states you need 1.356v to be stable at those clocks under load and you have a VID of 1.4011 thats your starting voltage if you will and basically all you do is go into BIOS select Offset voltage with a - and set 0.050 boot back up and see at what voltage it's putting you at.
will this mean idle i will be at 1.4v :S
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post #56 of 99
Your CPU PLL and VTT voltages look a little low, to me anyway. Im pretty sure my PLL is at 1.8v. My last P55 mobo (EVGA P55 FTW) had stock PLL voltage of of 1.8v and I would set it to 1.85v and even 1.9v. I also set my VTT to at least 1.15v if going over 4.2ghz. See if increasing those 2 settings helps any.
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post #57 of 99
Quote:
Originally Posted by willsk View Post
will this mean idle i will be at 1.4v :S
your idle will be low with offset voltage anywhere from 0.950 - 1.00. The vid is what is it thinks the voltage should be for the current clock that you are at and that's what we are offsetting.
post #58 of 99
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Quote:
Originally Posted by evilDSM View Post
your idle will be low with offset voltage anywhere from 0.950 - 1.00. The vid is what is it thinks the voltage should be for the current clock that you are at and that's what we are offsetting.
Big problem. i can't use offset with a manually set voltage... ***! what to do??

EDIT scratch that i just had to set voltage to normal before setting offset then re setting the voltage back
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post #59 of 99
Quote:
Originally Posted by willsk View Post
Big problem. i can't use offset with a manually set voltage... ***! what to do??
You don't need manual voltage anymore when you switch to offset It assumes you need 1.4xx to be stable and all you do is offset that so instead of Manual Voltage select Offset with a minus - then just bump it up to around 0.050v to see where it puts you at, we might need more or less depending on a few factors but its a good starting point.
post #60 of 99
Thread Starter 
ok so have left vcore on auto with offset at -0.050 will see what comes up idle and load

ok now idle i'm getting 1.356 and load i'm getting 1.38.... bloody gigabyte boards so confusing

Edit if i switch the vcore to normal mode which i've been told is offset mode my pc doesn't start :/

Double Edit* sorry really not explaining this well
on my board i can put vcore at auto, normal (which unlocks offset) or manually set
if i put it to normal with the -0.050 offset my pc doesn't start
Edited by willsk - 10/15/11 at 12:12pm
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