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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 633

post #6321 of 10702
Quote:
Originally Posted by munaim1 View Post

Thanks for the update, will update the spreadsheet in a moment thumb.gif
In regards to offset, this is how to get it working:
Leave manual voltage and read the load voltage with cpu-z (example - 1.344v needed for your overclock)
At the same time read the VID under load with Realtemp (reads 1.3511v)
Now the offset required in that instance it would be a negative value from the VID to obtain the load voltage you need, it would be roughly -0.005v (1.3511 - 0.005 = 1.346v). Just a note, 0.005v might cause your load voltage to drop lower than 1.346, in that case try using a positive offset of +0.005.
There you have it, that's how offset works. Report back and let us know how you get on.
Also make sure you disable C3 and C6 report when using offset voltage. thumb.gif

Thanks for the help smile.gif

In BIOS I set Offset to - .005
Disabled C3 and C6

Voltage looks good... but now my CPU is always at 4.7GHz (No 1.6GHz idle). I didn't disable Speed Spectrum so I guess I'll dig around in BIOS alittle more and see what I missed or messed wink.gif

I just got my third fan for my PH-TC14PE and going to see if that helps reduce temps enough to hit 4.8+
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post #6322 of 10702
Quote:
Originally Posted by rippir View Post

Thanks for the help smile.gif
In BIOS I set Offset to - .005
Disabled C3 and C6
Voltage looks good... but now my CPU is always at 4.7GHz (No 1.6GHz idle). I didn't disable Speed Spectrum so I guess I'll dig around in BIOS alittle more and see what I missed or messed wink.gif
I just got my third fan for my PH-TC14PE and going to see if that helps reduce temps enough to hit 4.8+

I had this problem and I had to change "CPU C1E" from Auto to Enabled on my ASUS mobo.
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post #6323 of 10702
I just did that... and you are correct switching from C1E to Enabled fixed it.

Thanks.
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post #6324 of 10702
Quote:
Originally Posted by munaim1 View Post

Firstly set the Ai Clock tuner to XMP, that'll set your RAM to stock including the timings, voltage etc.
Secondly set the CPU current to 140% (don't worry about the RED - You're overclocking so you know what you're doing lol)
Thirdly enable Spread Spectrum, it doesn't have any effect on Asus Motherboard.
Now it may be a case that you need a touch of vcore, try increasing that and re run the test. I would also recommend that you lower the PLL voltage, it'll reduce the load temps and will likely help with stability. You will have to test which value of PLL works best for your system, anywhere between 1.5-1.75v will do the trick. I'm personally using 1.5875v and all is running well. You could try the same with VCCIO, as your RAM is at stock you won't need more than 1.1v, again try increasing that in small increments from stock to see if it helps with stability. Here's a great way to test both VCCIO and PLL to find the sweet spot:
Quote:
Originally Posted by FPSDavid View Post

Okay, I've made the changes (from Manual to XMP, from 100% to 140% CPU capacity, spread spectrum (from Auto to Enabled), and bumped vcore from 1.415 to 1.425). Will run prime95 overnight and report back in the AM.
Thanks!

Damn, BSOD'd error 124 after only 3 hours with these settings...where should I start for figuring out what to change now?
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post #6325 of 10702
Thread Starter 
Quote:
Originally Posted by FPSDavid View Post

Quote:
Originally Posted by munaim1 View Post

Firstly set the Ai Clock tuner to XMP, that'll set your RAM to stock including the timings, voltage etc.
Secondly set the CPU current to 140% (don't worry about the RED - You're overclocking so you know what you're doing lol)
Thirdly enable Spread Spectrum, it doesn't have any effect on Asus Motherboard.
Now it may be a case that you need a touch of vcore, try increasing that and re run the test. I would also recommend that you lower the PLL voltage, it'll reduce the load temps and will likely help with stability. You will have to test which value of PLL works best for your system, anywhere between 1.5-1.75v will do the trick. I'm personally using 1.5875v and all is running well. You could try the same with VCCIO, as your RAM is at stock you won't need more than 1.1v, again try increasing that in small increments from stock to see if it helps with stability. Here's a great way to test both VCCIO and PLL to find the sweet spot:
Quote:
Originally Posted by FPSDavid View Post

Okay, I've made the changes (from Manual to XMP, from 100% to 140% CPU capacity, spread spectrum (from Auto to Enabled), and bumped vcore from 1.415 to 1.425). Will run prime95 overnight and report back in the AM.
Thanks!

Damn, BSOD'd error 124 after only 3 hours with these settings...where should I start for figuring out what to change now?

increase the vcore
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post #6326 of 10702
Quote:
Originally Posted by munaim1 View Post

increase the vcore

Eek, I've read that anything beyond 1.425 is dangerous for 24/7 usage! thinking.gif
Edited by FPSDavid - 12/28/11 at 2:21pm
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post #6327 of 10702
Thread Starter 
Quote:
Originally Posted by FPSDavid View Post

Quote:
Originally Posted by munaim1 View Post

increase the vcore

Eek, I've read that anything beyond 1.425 is dangerous for 24/7 usage! thinking.gif

Well I guess you didn't read the OP like I have suggested many times. rolleyes.gif
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post #6328 of 10702
Quote:
Originally Posted by FPSDavid View Post

Eek, I've read that anything beyond 1.425 is dangerous for 24/7 usage! thinking.gif

You need to take the CPU/PLL voltage off of auto. It's to high on auto. Change it to 1.5v and try that, and work your way up if it fails. thumb.gif
Edited by Tom Thumb - 12/28/11 at 7:13pm
 
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post #6329 of 10702

 

Quote:
Originally Posted by FPSDavid View Post


Eek, I've read that anything beyond 1.425 is dangerous for 24/7 usage! thinking.gif

 

 

I don't know if there have actually been any documented cases of Sandybridge CPU's failing at high Vcore (1.45v - 1.55v) over time?


Edited by turrican9 - 12/28/11 at 7:18pm
    
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post #6330 of 10702
Quote:
Originally Posted by turrican9 View Post

I don't know if there have actually been any documented cases of Sandybridge CPU's failing at high Vcore (1.45v - 1.55v) over time?

Huh?
 
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