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Thread: GIGABYTE's mobo X79-UD3 happens self-ignition and burning!

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  1. #11
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    Quote Originally Posted by mockingbird View Post
    I don't know anything about International Rectifier, but I do know that Gigabyte, Asus and MSI have started using cheap "NIKOS" transistors even in their high-end motherboards. You can't trust these people, they're very deceptive, they have to guarantee SOME failure out there in the field to ensure further sales.
    Quote Originally Posted by mockingbird View Post
    My point is that you don't see these types of failures with ST Microelectronics and such transistors.

    Yea, IR is probably an OK transistor manufacturer, probably superior to the cheap NIKOS garbage they all use in their lower-end boards, but why do I always get the feeling that the Chinese and Taiwanese are always penny pinching, even on expensive, high end products. And then they complain about desktop sales. They have destroyed the desktop market with their inferior products. First they were nickel and diming us on the capacitors, and now this funny business with transistors.

    How much extra would it cost for STM transistors? A few pennies? Save the cheap stuff for the cheap boards. We don't need tantalum capacitors in the VRM MSI (Big Bang series), what we need are decent transistors.
    Do you know what a transistor is?...here, we are talking about a Metal Oxide Field-Effect transistor, or (MOS)FET.
    Please, don't talk about things you don't know about. I'd know, I'm extremely guilty of that as well.

    You know CHiL? The voltage controller used on all of AMD/NVIDIA's reference boards? Yeah, they got bought out by IR a long time ago. Gigabyte has used IR for a long, long time on their boards.

    Have you tested all the top models of each manufacturer's boards to find these "NIKOS" Power MOSFETs? No?...didn't think so.

    The problem here is not the MOSFET. It is the OCP and OTP circuits to blame. The board should throttle the CPU or even simply shut down when the VRM section gets too hot. This board didn't shut down until it caught fire.
    Last edited by BeepBeep2; 12-23-2011 at 11:09 PM.
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