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Thread: Everything You need to know about your M4 ATX

  1. #131
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    Quote Originally Posted by blk02si View Post
    I'm pretty sure if the M4 were enclosed in an aluminum or steel enclosure the interference would be contained. Good idea on remote mounting the HD tuner though, I was wondering if that would work with a serial extension.
    Well, even with the remote wire of the HD Tuner I still am getting interference I'm about ready to throw the M4 out the window but before I do I ordered an encloser for it from minibox and am going to see if that fixes my problem. I've grounded it to several locations with no change.

  2. #132
    Maximum Bitrate jpinkerton's Avatar
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    I've searched but couldn't find the answer.

    When attempting to power up my M4, by following this guide, when I turn on the desktop PSU the D2 light next to the J6 jumper blinks.

    It blinks before I even throw the switch between the desktop PSU and the M4. As soon as the desktop PSU turns on, that light blinks but no power to the carputer. What does this mean? Any idea what I might be doing wrong?

  3. #133
    High Voltage blk02si's Avatar
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    Nothing, it's supposed to blink in "standby" mode when it has input voltage but the PC is off. Flip the switch to the IGN line and it should turn on. OR you can use the switch on the motherboard to turn it on. That's what I do when testing. When the CPU turns on the M4 led will burn solid.
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  4. #134
    Maximum Bitrate jpinkerton's Avatar
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    Hmm, I must have something wrong with the switch then, because when I flip my "ignition" switch nothing happens. The LED on the switch kicks on, but no fans spin up.

    I have a line between the motherboard on jumpers, but I must be missing something else.

  5. #135
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    The connector that goes to the pwr switch is polarity sensitive, try it the other way around.

  6. #136
    Maximum Bitrate jpinkerton's Avatar
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    I don't understand, you don't mean put the positive on the ground, and the ground on the positive do you?

  7. #137
    Maximum Bitrate jpinkerton's Avatar
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    Do you mean on the rocker or on the motherboard header? I'm assuming motherboard header. I've tried flipping that around as much as I can. I know the ground/positive on the motherboard header as the manual says it, but not on the M4, couldn't find that referenced anywhere

  8. #138
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    Yeah the header on the motherboard where you connect the lead from the M4 to turn the motherboard on.

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  10. #140
    High Voltage blk02si's Avatar
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    Give the m4 power so its blinking like you had it. Short the on/off header pins on the motherboard with a screw driver, and the mobo should power on.
    Build Things, it keeps your brain busy.

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