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Phenom X2 555 BE max overclock - Page 2

post #11 of 21
Quote:
Originally Posted by xd_1771;12471361 
I'm speaking voltage, not clock speed. 1.5V is actually a pretty big ways up from stock ~1.3-1.4V, combined with the extra TDP load from the extra core it's pretty bad. MSI boards are also known to blow.

I must be super luck then cuz my 140W cpu at 3.9GHZ and 1.5 V is doing just fine with the 790FX-GD70.
Although I'm loving this Zacate Rig
    
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post #12 of 21
Thread Starter 
stable for 8 hours so far running Prime95

temps not exceeded 53 degrees


There are quite a few people around who have succeeded in pushing this chip over 1.6v

Im using the Scythe Ninja 3 its quite a beast of a heatsink

The board im using is this

http://www.msi.com/product/mb/870-C45.html

Product Description
•Superb Stability: Military Class Components
•OC Genie: Easy Overclocking Technology
•Unlock CPU Core: Unlock hidden CPU core and potential
•APS (Active Phase Switching) offers more than 93% power saving


From what ive read and seen these cpus can go way higher than i have it and this boards as stable as they come
post #13 of 21
Thread Starter 
ps..

my stock voltage on this chip was 1.425v
post #14 of 21
Quote:
Originally Posted by sweetjudy21 View Post
stable for 8 hours so far running Prime95

temps not exceeded 53 degrees


There are quite a few people around who have succeeded in pushing this chip over 1.6v

Im using the Scythe Ninja 3 its quite a beast of a heatsink

The board im using is this

http://www.msi.com/product/mb/870-C45.html

Product Description
•Superb Stability: Military Class Components
•OC Genie: Easy Overclocking Technology
•Unlock CPU Core: Unlock hidden CPU core and potential
•APS (Active Phase Switching) offers more than 93% power saving


From what ive read and seen these cpus can go way higher than i have it and this boards as stable as they come
... you just copied words from the msi site.. The most bias site in regard to msi motherboards.

Listen to xd.. and look at my sig rig, I too as well as many others here have locked their 555's back down.
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post #15 of 21
Thread Starter 
well so far its been running Prime95 stable for almost 8 hours aswell as running 3D apps, games and a few other things so far nothing over 53c so looks like the Ninja is doing its job (slightly loud for my liking but cant complain!)

HWMonitor showing Processor powers @ 176.70 W not sure how accurate that program is though?
post #16 of 21
For your gears sake take a look at these: Why VRM's are a big issue and AMD MoBo Power phase list
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post #17 of 21
Thread Starter 
so are you saying lower the voltage?

My board isnt listed there, according to MSI it has the icy choke feature and

Solid CAP
10 years long lifespan
For providing the highest quality products, we built-in Solid CAP in the entire Military Class series. This not only makes bursting capacitors a non-issue but also ensures a dramatically extended lifetime and ultra-low ESR.


Not sure what im supposed to do if your telling me not to overclock then thats just wrong

is it my voltage? my fsb? what would you say is wrong with my setup?
post #18 of 21
Thread Starter 
to make you happy ive backed it off a little..

core voltage V1.448 (under full load) V1.416 (Idle)

18x multiplier
206.5mhz FSB

3717MHZ Clock speed

very happy with this setting considering this morning it was a dual core 3.2 and now its a quad 3.7gz

Temps stable at 48c under full load 28c idle

Thats a bit better than the previous temps and should last longer with the lower voltage

Feel free to give me any more pointers but i think 3.7 is plenty for me
post #19 of 21
Seriously you should listen to XD...the guy does not have all that rep for nothing...it would be no problem if it were a good board with heatsinked mosfets but it is not. Lock the 2 cores and go for a high speed overclock like i did...you do not notice a difference.
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post #20 of 21
Quote:
Originally Posted by OutOfBalanceOX View Post
I must be super luck then cuz my 140W cpu at 3.9GHZ and 1.5 V is doing just fine with the 790FX-GD70.
Although I'm loving this Zacate Rig
It's also a 4+1, but it is DrMOS and at least cooled. The 870-C45 is essentially the rock bottom tier with cheapest transistor MOSFETs and no cooling.

And 10 years pfft... Seriously I have seen these MOSFETs start stability testing and last no more than 10 minutes at as low as 1.4V on overclocked 125W before blowing. 8 hours is EXTREMELY lucky.
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