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13hrs Prime95 stable...apparently isn't stable - Page 4

post #31 of 75
Thread Starter 
i was watching when it crapped out, 80c so I don't think that did it. I've run P95 4.8@1.41 with temps in the mid 80s before.
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post #32 of 75
Quote:
Originally Posted by ocococ View Post
i was watching when it crapped out, 80c so I don't think that did it. I've run P95 4.8@1.41 with temps in the mid 80s before.
Well, I'm IBT/AVX stable at max mem, at my usual 4.5GHz settings. I use ~1.368v Vcore (min. 1.360v LLC Ultra High) for 12 hours + Blend stability.

However, Vcore goes up to 1.384v Vcore When IBT/AVX, due to the Load. So I'm sure I could have lowered the Vcore for IBT. But then Blend would not be 12 hours + stable. Because it needs min. 1.360v Vcore.

So I find it strange if you are 12 hours + Blend stable if using LLC at Ultra high, but not IBT/AVX stable. Oh, and I'm using Blend custom, 6000MB.. since I have 8GB RAM.
    
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post #33 of 75
Thread Starter 
I'm not blend custom but I can try that.
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post #34 of 75
Quote:
Originally Posted by turrican9 View Post
LLC is the Load Line Calibration. Helps stabilize the Vdrop. At Ultra high the Vdrop would be minimal.

Disabling C3/C6 only gives a tad higher Idle Vcore. This helps to remedy the idle/light load BSOD's.
Vdroop, not vdrop.

Vdrop is what results in the idle voltage, and vDroop is what results in the voltage under load (that is, when the core voltage isn't being allowed to drop down to a power-saving state).

There's also vRise which is when the voltage goes up under load instead of down.


Quote:
Originally Posted by turrican9 View Post
Well, I'm IBT/AVX stable at max mem, at my usual 4.5GHz settings. I use ~1.368v Vcore (min. 1.360v LLC Ultra High) for 12 hours + Blend stability.

However, Vcore goes up to 1.384v Vcore When IBT/AVX, due to the Load. So I'm sure I could have lowered the Vcore for IBT. But then Blend would not be 12 hours + stable. Because it needs min. 1.360v Vcore.

So I find it strange if you are 12 hours + Blend stable if using LLC at Ultra high, but not IBT/AVX stable. Oh, and I'm using Blend custom, 6000MB.. since I have 8GB RAM.
Whoa, I didn't even think to use Custom. What are your other settings for Custom?
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post #35 of 75
Quote:
Originally Posted by TwoCables View Post
Vdroop, not vdrop.

Vdrop is what results in the idle voltage, and vDroop is what results in the voltage under load (that is, when the core voltage isn't being allowed to drop down to a power-saving state).

There's also vRise which is when the voltage goes up under load instead of down.



Whoa, I didn't even think to use Custom. What are your other settings for Custom?
Yeah, sorry I always mix those two.

I only choose Blend, then Custom, then I type in 6000MB. No other change.

Also, If you wanna do a fast test you can type in 2 - 3 minutes instead of the usual 15 minutes per FFT. This way you will find problems faster If you have issues with certain FFT's. If you can run Blend Custom with 3 minutes per FFT for 2 - 3 hours, I believe there is a good chance it will run for 12 hours + with the usual 15 minutes per FFT preset.
Edited by turrican9 - 7/17/11 at 5:33pm
    
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post #36 of 75
Quote:
Originally Posted by turrican9 View Post
Yeah, sorry I always mix those two.
Then here's a trick:

"It droops under the heavy load".

I mean, some things droop when you put something heavy on them right? hehe

Anyway, what other settings are you using for Prime95 Custom?
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post #37 of 75
+1 for voltage bump w/ these SB processors. I also strongly suggest using blend p95 like they suggested and even throw some other stuff on like a movie or music or something else to mix things a bit. (I had p95 pass 12 hours then hard lock 5 mins later after just playing 20 seconds of music.

Also, did you touch the blck spd at all ?
For me:
100.0 = stable at low voltage
100.1 = unstable at same voltage, and random bsod even w/ small voltage bumps across the board.
    
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post #38 of 75
Quote:
Originally Posted by TwoCables View Post
Then here's a trick:

"It droops under the heavy load".

I mean, some things droop when you put something heavy on them right? hehe

Anyway, what other settings are you using for Prime95 Custom?
Yeah, I will try to remember that. Thanks mate

I edited my post above, as to your P95 question.
    
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post #39 of 75
Thread Starter 
Quote:
Originally Posted by rmp459 View Post

Also, did you touch the blck spd at all ?
For me:
100.0 = stable at low voltage
100.1 = unstable at same voltage, and random bsod even w/ small voltage bumps across the board.
no change to blck
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post #40 of 75
Quote:
Originally Posted by turrican9 View Post
Yeah, sorry I always mix those two.

I only choose Blend, then Custom, then I type in 6000MB. No other change.

Also, If you wanna do a fast test you can type in 2 - 3 minutes instead of the usual 15 minutes per FFT. This way you will find problems faster If you have issues with certain FFT's. If you can run Blend Custom with 3 minutes per FFT for 2 - 3 hours, I believe there is a good chance it will run for 12 hours + with the usual 15 minutes per FFT preset.
Yeah, but then what do I do once I learn which FFTs give me problems?

So I think I may just leave it at 15. Or I might change it to 30. hehe
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