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Thread: M2-ATX - Possible to Power Carputer with Car OFF?

  1. #1
    Raw Wave tbird2340's Avatar
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    M2-ATX - Possible to Power Carputer with Car OFF?

    I currently use a PW70A with a Carnetix P1260. The Carnetix has an option where you can send a ground pulse to it and power up the PC without ever having to turn on the vehicle..

    Does the M2-ATX have this capability?
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

  2. #2
    Maximum Bitrate JimmyFitz's Avatar
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    M1-ATX will recognize the power button on the PC case and turn on. I'm guessing the M2 has that also.
    ~Jimmy

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    Raw Wave tbird2340's Avatar
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    What do you mean recognize the power button on the PC case? I thought J8 from the M2 went to the motherboard on/off headers??
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

  4. #4
    Newbie thenick100's Avatar
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    On my m1ATX i just wired a 12V constant from my dist block, to a toggle switch on the dash, then back to the ignition input on the PSU... So it still works from ignition, but if i want it on when the engine is off, i just flick the switch - likewise, if i want to leave the computer on and turn the car off (if im just filling up with petrol or something) i can just flick the switch, then turn the power off, then flick the switch back off when i switch the engine back on! Works perfectly!

  5. #5
    Raw Wave tbird2340's Avatar
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    A little confused on how you said you have that hooked up... Instead of running an actual IGN wire to the M1's IGN wire you ran a constant to a toggle switch with the other end of the toggle going to the M1's IGN wire?

    So when the toggle switch is on (closed) your providing a constant 12V to the IGN wire.. And when the toggle switch is off (open) the IGN wire of the M1 isn't getting any juice?
    Current Vehicle: 2007 Dodge Nitro

    Second Vehicle: Sold it :( 2005 Dodge Ram 1500 Quad Cab

    First Vehicle: 2003 Ford Ranger

  6. #6
    Newbie thenick100's Avatar
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    No, i have both running into the ign input... well actually i have a 4 way junction (with the pc ign input on one, the remote on for my Carnetix 5v transformer on 2, 12v switched on 3 and ign in on 4, so if either the switch is on or the ign is on, the pc and the transformer powering the usb hubs will start... But since the 12v source for the ign and the 12v switch is the same, even if both are on, the pc still gets normal 12v

  7. #7
    Maximum Bitrate JimmyFitz's Avatar
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    Quote Originally Posted by tbird2340
    What do you mean recognize the power button on the PC case? I thought J8 from the M2 went to the motherboard on/off headers??
    What I meant is that the momentary power button on my PC case will ALSO signal the M1 to turn on or off, regardless of the ignition wire signal. I normally use the ign. signal but the case switch could be wired to something that generates a pulse like you suggested and that would work too. Dig in to the PSU manual to find what pins for your M2. I think it will do what you want.
    ~Jimmy

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