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Thread: M2-ATX problem...again

  1. #11
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    ok, just to clarify, you want me to turn the igniton and see if the jumper that I connect to the motherboard power switch head has 12v briefly. right?

  2. #12
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    Quote Originally Posted by jackso11 View Post
    ok, just to clarify, you want me to turn the igniton and see if the jumper that I connect to the motherboard power switch head has 12v briefly. right?
    Nope, sorry if I was confusing.

    First, check the switch header on your board. That is two pins. with your multimeter, set it to 12 volts DC range. Take one probe and connect it to ground somehow. Take the other probe, and touch it to the first pin, and then the second pin. See if it shows 12 volts?

    ALSO, with the cable disconnect between J8 and the MB, put your multimeter into "continuity" mode, and connect one probe to the red wire, and the other probe to the black wire. Then, simulate the ignition wire (you can turn the key if you want, whatever you can to simulate the ignition) and then see if there is continuity all the time, never, or briefly.

    Then, report back.

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  3. #13
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    check the 2 pins on the motherboard? witht the ignition on and the pc not booting you mean? how will that test the psu if its not connected?

    I tested the jumper on the m2 that I connect the red and black wires to that go th the motherboard, but I tested them with 12v range....nothing at all before or after the ignition turned.

  4. #14
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    Quote Originally Posted by jackso11 View Post
    check the 2 pins on the motherboard? witht the ignition on and the pc not booting you mean? how will that test the psu if its not connected?

    I tested the jumper on the m2 that I connect the red and black wires to that go th the motherboard, but I tested them with 12v range....nothing at all before or after the ignition turned.
    K, the first part is to test whether your particular MB is positive trigger instead of negative. Most MB's are negative, and that is what the M2 ios designed for.

    The second part is to test to see if the J8 (which is basically a switch to ground) is actually closing (meaning, connecting or being joined) There will not be any voltage on the J8 wires even if it is working 100 percent. I am just trying to figure out if J8 is working correctly.

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  5. #15
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    test the pins on the motherboard to see if either pin is pushing 12v (cause it will cause the m2-atx not to work)

    ALSO
    test the m2-atx to see if it shorts the 2 pins on the m2-atx when the igintion is turned on. use contiuity or the ohm setting to find out, not the 12v setting.

  6. #16
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    right.

    J8 continuity is 830 before after and during ignition doesn't change at all.

    motherboard live pin has 3.3v running through it.

    does this mean the m2 is buggered?

  7. #17
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    Quote Originally Posted by jackso11 View Post
    right.

    J8 continuity is 830 before after and during ignition

    mothboard live pin has 3.3v running through it.
    Me thinks this might be a positive trigger MB, and you may have effed the M2.

    EDIT: I might be wrong. Can you do the following. Can you connect the Meter, in 12 volt mode, one probe to the 3.3, and the other probe to the OTHER pin, and tell me if it still reads 3.3v?

    At no point does the 830 disappear, or get much larger or smaller. No matter what, wether the ignition is off, or on, it reads the same. How many seconds did you take the readings. Do it for at least 1 minute when the ignition is off, and the ignition is on.

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  8. #18
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    what SHOULD happen to the readings to see them work?

    how would I have effed the motherboard? it still turns on if I use an external switch. Considering I bought the psu and the motherboard from the same person at the same time.....shouldn't they have told me it ain't gonna work?

  9. #19
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    how can I find out if this is a positive trigger MB? and if it is....how do I make the m2 work with it?

  10. #20
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    ignition on or off? I did that and the pc booted with the ignition on!

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