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How do you get around the 2600K idle bug? - Page 2

post #11 of 117
C3/C6 will often cause 0124's at high overclocks. That's why many just prefer to downclock the cores and leave the vcore constant.

I still want to know if the OP has tried a higher VTT(VCCIO) to see if his idle bsod's go away at 4.5 ghz. He hasn't replied back to this thread and he sort of ignored munaim1 who kept asking him to use higher VTT at 4.5 ghz...
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post #12 of 117
Load line calibration? Make sure your idle Vcore is still higher than the Load Vcore if you have multiple LLC options/levels.
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post #13 of 117
Quote:
Originally Posted by jasjeet View Post
Load line calibration? Make sure your idle Vcore is still higher than the Load Vcore if you have multiple LLC options/levels.
No need for the idle vcore to be higher than the load vcore This will cause bsod and extra unwanted heat etc. speedstep automatically lowers vcore at idle anyway

You need llc enabled to make sure your load vcore does not drop ideally to a lower point than what you have set in the bios. Play around with the llc levels to suite
Edited by Chewy - 5/23/11 at 6:16am
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post #14 of 117
This is with LLC off.
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post #15 of 117
Quote:
Originally Posted by Chewy View Post
No need for the idle vcore to be higher than the load vcore This will cause bsod and extra unwanted heat etc. speedstep automatically lowers vcore at idle anyway

You need llc enabled to make sure your load vcore does not drop ideally to a lower point than what you have set in the bios. Play around with the llc levels to suite
When the CPU is under less intensive load LLC at higher levels causes the Bios to produce VRise where Load Vcore is higher than less intensive situations. This means when you are looking for a stable Vcore in Primr95 your effort is negated as the majority of the time your LLC will not kick in and provide the VRise which was there while testing, this means you end up BSODing under less intensive conditions as the CPU has not got enough core.

If you want to test this do the following, put LLC to maximum level. Find stable Vcore setting using Prime95. Eg 1.30v under load, 1.28v idle. Now reduce Bios Vcore so that you get 1.28v load, run Prime95, you will fail.

Prime95 only speeds up the process of finding errors, having 0.02v less vcore at less intensive conditions is less problomatic as probability of failure is low and number of calculations compared to Prime95 is low. But to test we can speed it up with a stress test like Prime95.

Only use LLC if you can maintain the idle vcore higher than load vcore. Heat isnt an issue when the CPU current is low, having a slightly higher idle Vcore has no downsides, saying it can cause a BSOD is absurd, you need to offset the Load vcore by the droop obviously.

Its been discussed before by me an AyeYo in other LLC threads.

If your CPU needs 1.30v, it needs 1.30v.
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post #16 of 117
This only applies to people who use speedstep. Some people don't use it.

Actually, if you do NOT use EIST (Speedstep), having a SMALL amount of vrise (no more than 0.02v) is actually MORE desirable than having a large amount of vdroop (like 0.05v).The reason is, your CPU is going to be happier by having a LOWER idle vcore than a higher idle vcore. What would you rather have? 1.42v at idle or 1.48v at idle? The only problem is the dreaded idle BSOD, so you have to raise your vcore a little to compensate, so you will be "overshooting" the high load vcore a little bit. But if you aren't stress testing, you won't ever have the maximum vcore from a high LLC, anyway, so you may only need to have your "medium load" vcore 0.01v higher than what is required for full stability at "heavy" load. Then you get a lower idle vcore in the end. You just have to juggle what works.

You don't really want to run prime wtih vrise, since you're not going to be idle, anyway. But for benchmarks and gaming, you're fine.
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post #17 of 117
Quote:
Originally Posted by EarlZ View Post
I've also been getting some idle issues when power saving is running, it does respond to upping the vcore, ill try to up the vtt from 1.120 to 1.15 and see it it works well on my end.

EDIT:

So I've tried VccIO at 1.140 , 1.160, 1.180 1.20v and all of them gives me a BSOD when loading windows ( after the animation, right before the welcome screen ) 0124. If I disble c3/c6 It can load windows w/o fail.
Well the OP has indicated that his stable, even stress tested for a considerable amount of time. That is why I have suggested the op to increase vccio and not the vcore.

You havn't exactly said whether or not your exactly stable or not, your problem could be the vcore, so there is no reason to mess around with the vccio now. Stick to getting it stable first then work out idle issues.
Edited by munaim1 - 5/23/11 at 8:29am
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post #18 of 117
Simple solution, turn LLC OFF. Jasjeet already explained why.
Edited by AyeYo - 5/23/11 at 8:34am
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post #19 of 117
Quote:
Originally Posted by munaim1 View Post
Well the OP has indicated that his stable, even stress tested for a considerable amount of time. That is why I have suggested the op to increase vccio and not the vcore.

You havn't exactly said whether or not your exactly stable or not, your problem could be the vcore, so there is no reason to mess around with the vccio now. Stick to getting it stable first then work out idle issues.
Stable at load, BSOD at idle. I just turned of C3/C6 sleep mode and I think it solved the issue. I believe the idle voltage is just going waaay to low.
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post #20 of 117
Thread Starter 
I tried VCCIO at 1.15 volts

I also tried PLL at 1.75 volts

I came across the same problem regardless, CPU being unstable at idle

I noticed that even with CPU set at 1.290 volts, when idle it still dips down to 1.275 volts, which is what is probably causing my BSoD's

So I should disable all power saving states to fix this?

EDIT: Sorry I was gone so long, I was bench testing for 4-5 hours

EDIT2: And the errors I am getting is 124 stop errors

EDIT3: I disabled C1E, C3E and C6E and Intel Speed step, so far, computer is 100% stable at idle
Edited by ShamisOMally - 5/23/11 at 12:50pm
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