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About VRMs & Mosfets / Motherboard Safety with 125W+ TDP processors - Page 87

post #861 of 1100
Quote:
Originally Posted by el gappo;14363458 
Got some datasheets for a few new A75 boards iirc

Biostar TA75M+ has 2 50amp Nikos fets and 1 75amp per phase. Beefy 4+1. Think the TA75+ is the same.

With Llano's high voltage, shouldn't cause any issues.

Will check when I'm back on my rig anyway.

Whoopsie, in the wrong thread here.

It's still relevant. tongue.gif

Dude, Biostar has ALWAYS had beefy phase setups, even with low counts.
 
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post #862 of 1100
Wow. So much msi board...
And from what I see, Biostar motherboard seem to be pretty good...

Do you think I'm ok to overclock on my board with my cpu with a good cpu cooler?
Or should I really put heatsink on my mosfet?
Maybe I could get a heatsink if I cut it in a old pentium 2 heatsink (seem like aluminum). Just need to find a way to fix it...
    
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post #863 of 1100
Call me another casualty
Hopefully MSI will be kind enough to process the RMA so that I can sell the new one and pay for the ASUS Sabertooth I just ordered.
In related news, would anybody be interested in the purchase of a brand new MSI 890fxa-gd70 in the near future?
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post #864 of 1100
Thread Starter 
Have a datasheet on those particular nikos fets? Are they rated 25c like the ones on some problematic msi boards or hav they been improved upon?
post #865 of 1100
Quote:
Originally Posted by xd_1771 View Post
Have a datasheet on those particular nikos fets? Are they rated 25c like the ones on some problematic msi boards or hav they been improved upon?
Rated @ 25c ? Oh my god . Fets run waay hotter that that . I have a 95W Cpu oced in a 8+2 phase (heatsinked) board , and i can feel its warm .

Imagine how hot the fets are in a 4+1 with a higher end CPU+OC ? Lava .
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post #866 of 1100
No problems here, I just wanted XD to know that I followed the advice of this thread and put heatsinks on my mobo chipset.

I got two sets of the mos-c1s and now Im good to go.


Thanks for the helpful info!!!
 
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post #867 of 1100
Thread Starter 
It was something pointed out by Dromihetes I think, in a discussion thread concerning MSI boards with NIKOS MOSFETs (i.e. why the K9A2 Platinum with INFINEON fets didn't fail but the K9A2 CF-F with NIKOS fets had rampant fail issues)
post #868 of 1100
Quote:
Originally Posted by xd_1771 View Post
Have a datasheet on those particular nikos fets? Are they rated 25c like the ones on some problematic msi boards or hav they been improved upon?
No never, he probably read the wrong part.

p0603bdl 75amp

p0903bdl 50amp

Closest match I can find being;

http://html.alldatasheet.com/html-pd.../P0903BDG.html

Operating temperature from -55C up to 150C
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post #869 of 1100
just curious, why is that its mostly AMD boards that are under scrutiny and blowing up mosfets?

Just because intel uses less wattage?
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post #870 of 1100
Quote:
Originally Posted by 96shox View Post
just curious, why is that its mostly AMD boards that are under scrutiny and blowing up mosfets?

Just because intel uses less wattage?
No, wattage is the same, even higher for Intel.
The reason is sabotage, IMO.
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