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Thread: DFI using 5v rail for ram not 24/7 stable?

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  1. #1
    I am Xtreme
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    well i really hope this board lasts 25 years so im not going to run off the 5v...

    while im sure the life will be longer, the fets are made to run that hot, and as long as its stable its cool enough in my book to live until im done with (ive never had anything die from heat, only be unstable from it)

    i mean, it just doesnt make sense to me for dfi to use mosfets that arent capable of running 24/7, sure its hotter, which is why dfi insists you cool them, but they shouldnt die from it.

  2. #2
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    Good one That's why I said "in general"... but run it with no cooling on the 5V rail for a week with Vmem set to 3V

    Didn't intend to imply the reg circuit would die from using stock HS and cooling with a fan bro Notice my comment that they run relatively cool with a fan as is. Just something about the word "necessary"...
    Last edited by EMC2; 03-20-2005 at 09:18 PM. Reason: highlighted word "no"

  3. #3
    I am Xtreme
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    Quote Originally Posted by EMC2
    Good one That's why I said "in general"... but run it with no cooling on the 5V rail for a week with Vmem set to 3V

    Didn't intend to imply the reg circuit would die from using stock HS and cooling with a fan bro Notice my comment that they run relatively cool with a fan as is. Just something about the word "necessary"...
    ahh i re-read, i took your post out of contest... it seems we agree, if the board is running cool enough, it will live long enough

  4. #4
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    No worries bro "it" happens

    I really did get a good chuckle from the 25 year thing.

    Peace

  5. #5
    Evil Kitty
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    I've been running one of my DFI NF4 mobos at 3.4v since day one almost 4 weeks ago. No issues. Runs 24/7. Just a small fan on the corner is fine.
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  6. #6
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    Quote Originally Posted by Revv23
    i mean, it just doesnt make sense to me for dfi to use mosfets that arent capable of running 24/7, sure its hotter, which is why dfi insists you cool them, but they shouldnt die from it.
    I agree. Most likely the solder will come of before they die.

    Had an old Technics amp a few years ago. With 2 PA-speakers AND a pair of Kirksaeter Hi-Fi speakers it got pretty hot. 3-4 Hours with Volume @ 70+% did the trick. Music went quiet and the red protect light went on. When I opened it the solder on the mosfets were gone and i could lift them rigt of the PBC.
    Resoldered them and everything worked just fine

    ----

    boostdfd3s: Applying AS5 to mosfets is a total waste of AS5 and your time. The amount of heat they produce per square inch is nothing compared to a CPU. In fact.. with a low-speed 80mm fan @ 5-7v over them, the sinks wouldn´t even be needed.

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