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Thread: Help: VIA EPIA MII10000 Onboard USB Header

  1. #1
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    Help: VIA EPIA MII10000 Onboard USB Header

    I think i have busted my Onboard USB header when i accidently and wrongly
    wired the pins. The VCC went to GND and vice versa and the USB+ went
    to USB- and vice versa. now i looks that it does not respond eventhough
    a USB device was plug in the header, ofcourse the correct way. But what
    puzzles me, the two USB ports on the rear connectors, below the LAN
    connector is working properly. Does the MII have two USB controller wherein
    i might buster the one for the onboard header? Is there any way to fix the
    problem on the onboard USB header? Pls help... tnx!

    I have learned my lesson... Countercheck everything before plugging in!

  2. #2
    Constant Bitrate megagoo's Avatar
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    i would think that it is possible to effect the frontside usb headers while not effecting the onboard usb

  3. #3
    Variable Bitrate P3D4T0R's Avatar
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    It is possible, and more likely, that you fried the channel on your USB controller chip. This would lead to the USB headers failing while the others work. What you can do is test it with a multimeter and see if you can get any power from it, also, you can try using a USB device that dose not need power from you board in case you only blew out the power to the USB.
    "Mess with the best, die like the rest."
    Work Log --> Old Car (Totaled)
    Work Log v2 --> New Car (Totaled)
    Work Log v3 --> GMC Suburban K2500 (Engine died)
    Work Log v4.5 --> 05 Toyota Tundra DC SR5

  4. #4
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    is that possible? the MII motherboard have the VT8235 Southbridge as only
    USB controller which can support up to 6 usb channels. does this mean that
    i fried two of those channels and did not affect the rest? the i/o panel USB
    ports work perfectly. my worry is, the southbridge also controls the other
    ports such as IDE, FDD, etc... hope these were not affected.

  5. #5
    Variable Bitrate P3D4T0R's Avatar
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    I have nothing concrete to back up what I'm saying, just that I have had many USB ports/headers stop working or just act up with no problems on any other ports. This is using the same device on other ports with no problems for the same, if not more, time.

    I know that there could be other variables that may affect different ports/headers but this is what Iv seen with a few of my heavily used computers with USB.
    "Mess with the best, die like the rest."
    Work Log --> Old Car (Totaled)
    Work Log v2 --> New Car (Totaled)
    Work Log v3 --> GMC Suburban K2500 (Engine died)
    Work Log v4.5 --> 05 Toyota Tundra DC SR5

  6. #6
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    thanks alot bro, ill try to probe the pins of the header with multimeter tonight.
    will try to have some usb device powered too before connecting it on the
    header. ill just use the USB+ and USB- of the header to see if it is just the
    power line that is affected. i hope so...

    should there be somebody who experienced this and found solution pls let me
    know. mini-itx board here in the philippines is more than rare! if mine will not
    work, then most probably i'll use micro-atx... hopefully i'll not get into that
    situation...

  7. #7
    Variable Bitrate P3D4T0R's Avatar
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    Good luck man, hope I helped.
    "Mess with the best, die like the rest."
    Work Log --> Old Car (Totaled)
    Work Log v2 --> New Car (Totaled)
    Work Log v3 --> GMC Suburban K2500 (Engine died)
    Work Log v4.5 --> 05 Toyota Tundra DC SR5

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