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Thread: Motherboard: to ground or not to ground, that is the question.

  1. #1
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    Motherboard: to ground or not to ground, that is the question.

    I plan to use standoffs to locate my motherboard in a non-standard case and we had some metal ones just sitting around at work that would work perfectly. I don't see anything about this in the manual, but my desktop computer at home came with plastic standoffs. When I look at the motherboard, it looks as if they have carried the ground plane to the mounting holes and therefore, I kind of think it might be a good idea to use a metal stand off, but I'm not entirely sure.

    Can anyone elaborate in an intellegent fashion as to whether this is a good or bad idea?

    The board is a Phylon. Can't remember the exact number at the moment, but I can find it if it's needed to answer.

    Thanks.

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    I honestly don't believe it would matter. As a general rule, I prefer metal standoffs to plastic ones, but that's more a matter of durability.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  3. #3
    Constant Bitrate
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    So you've done it both ways with no ill effect either way?

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    Maximum Bitrate binary.h4x's Avatar
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    I have used metal standoffs mounted into plexiglass with no ill effect.
    2007 Honda Fit Sport 1.5L SOHC-VTEC

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    Self proclaimed spoon feeder TruckinMP3's Avatar
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    I have used non conducting mounts and metal mounts to a metal tray but not grounded the tray.... no static or failed parts.
    TruckinMP3
    D201GLY2, DC-DC power, 3.5 inch SATA

    Yes, you should search... and Yes, It has been covered before!

    Read the FAQ!

  6. #6
    Constant Bitrate
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    Good to note, but mine would definitely be grounding. The metal standoffs would screw to an old radio exoskeleton I'm using as a computer case. That case bolts directly to the car.

  7. #7
    999
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    Your mobo doesn't ground through the standoffs, it grounds through your psu via your atx connector. The metal around the holes is there just for structural support and to keep the screws from cutting into the board.

  8. #8
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    999, I just went and checked and you are right. There is a separation between the mounting hole and the ground plane. I was at work when I posted and hadn't yet taken a good look at it. But I have now and you are right. Using metal stand-offs should be no problem. Thanks.

  9. #9
    Maximum Bitrate crooper's Avatar
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    Yeah if the standoffs grounded the mobo there'd be problems. Usually manufacturers provide paper rings to put between the standoff screws and the motherboard for extra insulation. Metal is just more durable. They're usually brass, too, as far as I've seen. Make sure to use as many standoffs as you can, for better stability etc.

  10. #10
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    I have worked at a computer shop for the last 5 years and it really doesn't matter what types of standoffs you use, and they don't need to have paper washers on them. The MB grounds through the PSU. So mount it how you like, just make sure its secure!
    - Mike

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