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Is your Sandy Bridge BSoDing when idle? Read this

post #1 of 19
Thread Starter 
Hey all, I recently side-graded to an i7 2600K, but was running into a strange problem with my overclocks. I could stress at a reasonable voltage (4.8ghz @ 1.42v) but it took over 1.45v just to boot into Windows and even more to keep from Blue Screening when idle.

I spent days testing every setting in the overclocking portion of my BIOS but nothing worked. Even with a fixed cpu multiplier and fixed vcore (LLC on/Vdroop off) i'd get a 0x1E and occasionally a 0x124 the instant I stopped the stress test or idled for more than a minute.

The fix? Turn every power-saving option on. Yup. I turned on EIST, C1E, Vdroop, CPU spread spectrum, etc. BAM, rock-solid stable. And I was able to use a lower vcore (1.408v) by running stock Vcc IO and CPU Pll voltages.

If this helped you, leave a comment and tell a friend!

For other Biostar users out there, you also need to navigate to Advanced > CPU Configuration > Power Technology and change it to Custom with the following settings:
Cpu C3 Report = ACPI C-3
Cpu C6 Report = Enabled
Package C State limit = No Limit
 
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Wild eyes (2015)
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post #2 of 19
I've been running with the power saving features on using an offset voltage and I haven't run into any BSoDs or anything.
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post #3 of 19
Thread Starter 
Quote:
Originally Posted by Krossfyre View Post
I've been running with the power saving features on using an offset voltage and I haven't run into any BSoDs or anything.
It probably isn't as much of an issue at lower overclocks... I ran 4.5ghz without some of the power saving features with limited success before, but 4.8ghz just wasn't happening without them.
 
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post #4 of 19
yep this happened to me a few days ago...thought my chip was a piece of crap...until i swallowed my pride and read a SB overclocking guide, they all indicate leave power options on...now my 2600k is looking way better
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post #5 of 19
tried different settings including enabling the power saving features.. To no avail.. Sad.

in my case, i think that leaving the HT on on my 2600k makes my OCs unstable -idle bugs, inconsistent gflops etc.,
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by The Viper View Post
yep this happened to me a few days ago...thought my chip was a piece of crap...until i swallowed my pride and read a SB overclocking guide, they all indicate leave power options on...now my 2600k is looking way better
I was in the same boat; I thought my motherboard was a POS (a $90 Z68 board with 4+1 phase design?) but it turns out Intel knows what they are doing.

Quote:
Originally Posted by Indulgence View Post
tried different settings including enabling the power saving features.. To no avail.. Sad.

in my case, i think that leaving the HT on on my 2600k makes my OCs unstable -idle bugs, inconsistent gflops etc.,
I'm not sure about the idle bugs, that could be a BIOS issue, but inconsistent Gflops is a sign of throttling in my limited SB experience (either temperature or wattage/amperage).

Grab RealTemp 3.67, latest cpu-z and the latest beta version of AIDA64. During IBT/LinX, watch your cpu multiplier, core temperatures, and wattage... you'll probably see your multiplier and watts drop as soon as IBT/LinX finishes allocating all of the ram.
 
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post #7 of 19
thank you mane, i have been having weird BSODs out of the blue, mainly ones after my pc would go to sleep overnight.

i had all the power saving on except C3/C6, so going to see if this helps any.
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post #8 of 19
In the ASUS P8P67/P8Z68 series boards, if C3/C6 are enabled when using Offset Vcore, that is very likely to give Idle BSOD's.

So these things will differ from brand to brand...
    
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post #9 of 19
Thread Starter 
Quote:
Originally Posted by t00sl0w View Post
thank you mane, i have been having weird BSODs out of the blue, mainly ones after my pc would go to sleep overnight.

i had all the power saving on except C3/C6, so going to see if this helps any.
I hope it helps. I don't know how similar your boards BIOS is to mine, but like I mentioned in the first post, some of the options aren't in the O.N.E page.

Quote:
Originally Posted by turrican9 View Post
In the ASUS P8P67/P8Z68 series boards, if C3/C6 are enabled when using Offset Vcore, that is very likely to give Idle BSOD's.

So these things will differ from brand to brand...
Of course. But if someone is already seeing BSoDs in idle and mixed load scenarios, it couldn't hurt to try.
 
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post #10 of 19
Quote:
Originally Posted by turrican9 View Post
In the ASUS P8P67/P8Z68 series boards, if C3/C6 are enabled when using Offset Vcore, that is very likely to give Idle BSOD's.

So these things will differ from brand to brand...
I agree with this.
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