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are 1.4v to much for 400mhz OC??

post #1 of 11
Thread Starter 
just as the title, are 1.4v to much for 400mhz oc

my cpu is phenom II X4 955 BE C3
the default set is 1.3v @ 3.2ghz

now i run it at 1.4v 3.6ghz

should I lower the voltage or increase it???
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post #2 of 11
Should be well within limits temp-wise on the NH-D14, but do try to lower it. Only use as much voltage as you need.
EDIT: that a 3+1 power phase on your board? I'd be wary due to this if so4+1 heatsinked, never mind. I don't recommend passing 1.475V but you should be fine, though I don't know anything about the VRM quality of VAIKOO.
Edited by xd_1771 - 2/27/11 at 12:03am
post #3 of 11
Lower the voltage about to 1.379v and increase the core about 50-100mhz then test it!
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post
Should be well within limits temp-wise on the NH-D14, but do try to lower it. Only use as much voltage as you need.
EDIT: that a 3+1 power phase on your board? I'd be wary due to this if so4+1 heatsinked, never mind. I don't recommend passing 1.475V but you should be fine, though I don't know anything about the VRM quality of VAIKOO.
I can't see the mosfet well because it all covered with heat sink, but according to the book it should be 3+1 phase
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post #5 of 11
Thread Starter 
Quote:
Originally Posted by JuStIn871 View Post
Lower the voltage about to 1.379v and increase the core about 50-100mhz then test it!
i'll give it a shot
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post #6 of 11
Then,If that works and temps are A-OK then decrease voltage to 1.371v and increase the
core another 30-50mhz.
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post #7 of 11
Thread Starter 
EDIT : I can see the mosfet, it's 4+1 phase
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post #8 of 11
It is a 4+1 phase... now there's a nice big heatsink tacked onto it, but overall quality I'm not sure about. I do know some low end VVIKOO boards use very very cheap 2-transistor designs and cheap chokes.
post #9 of 11
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post
It is a 4+1 phase... now there's a nice big heatsink tacked onto it, but overall quality I'm not sure about. I do know some low end VVIKOO boards use very very cheap 2-transistor designs and cheap chokes.
ahahaha, we don't know until the transistor get burned
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post #10 of 11
Thread Starter 
here are my oc list that I've been working some times ago:

hang/crashed:
1.4v@3.8ghz
1.4v@3.7ghz
1.4v@3.6ghz
1.38v@3.8ghz
1.38v@3.7ghz
1.38v@3.6ghz
1.375v@3.8ghz
1.375v@3.6ghz

the setting that can stand longer in stability test was the 1,4v@3.6ghz, but still it crash

now I run only with 200mhz oc (1.3v@3.4ghz)
this set can stand 10min in stability test

any opinion??
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