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prime error any idea?

post #1 of 7
Thread Starter 
OC'd my D0 920 to 4.0 (21x190). Voltage was still at 1.275 (just started testing) and apparently 11 minutes in this error happened on worker 2 (blend test)

[Wed Jun 09 03:54:52 2010]
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.

any ideas? all the other workers kept going without a problem for 8 hours when I stopped the test. This build ran completely stable at 19x200 for a full week of stress testing then I kept it there for 3 months.

Thoughts?
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post #2 of 7
That kinda error is usually vcore related

try bumping the vcore up a notch or 2
post #3 of 7
Thread Starter 
how much is a notch or 2? I was under the impression that 1.275 was quite a bit. Also what is this thing called vdroop? and how do I change it. I don't see anything by that name in my bios.
Red Deman
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post #4 of 7
a notch means the next option after your current option or one before.

Well thats what i think it means.
i could be wrong and it could mean something else.
cant think of anything else though
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post #5 of 7
also vdroop is something all motherboards have where the actual voltage is lower than what is input in bios. Load Line Calibration lowers Vdroop when your voltage is low but im not exactly sure what low is <1.3 im guessing. But once you get higher you want to turn it off.
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post #6 of 7
it depends on where the errors happen.since your running blend and you failed 11 minutes in thats a large fft,but it still could be vcore too low.

basics are like this.

errors in small fft's are most likely cpu related
errors in large fft's are memory and NB/IMC related
if vcore is way too low it can error in large or small or crash
small fft's are these 8k,14k,20k and so on
large fft's are these 768k.986k,1024k and so on
running blend switches between small and large,so depending
on what size it fails at will determine what needs to be done
to fix it.

heres a great link on how to use prime95.

Torture test your CPU with Prime95



hope this helps
    
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post #7 of 7
Just a note, I read that sometimes your bclck will have "black holes" where you'll get unstable results at certain frequencies even though these are not your bclck limits. It could be 190 mhz is just unstable for your cpu. You can either mess around with the voltages, or test a different frequency.
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