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Thread: Carnetix P2140 starting mac mini

  1. #1
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    Carnetix P2140 starting mac mini

    Hello all

    Today i got around to installing my mac mini car computer with P2140 PSU/controller

    When i tested it with a powersupply a few weeks ago everything was working as it should

    now when i turn on the ignition, the p2140 powers up and starts flashing but it never triggers the mini, i can manually short the pins on the switch cable and it will start no problems

    any ideas why it would not be automatically starting?

    thanks
    Luke

  2. #2
    FLAC Machinehead's Avatar
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    Most likely, you don't have the power supply wired properly. Check your connections.

  3. #3
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    Power supply is wired pos to pos, ground to ground and yellow to acc

    connection from power supply is via mac pac prewired cable

  4. #4
    FLAC Machinehead's Avatar
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    You'll probably want to hook the 2140 up a computer via USB and see what it's doing with the PSUmoni software.

  5. #5
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    Check out this video to see if it helps

    http://www.carnetix.com/P2140/Led-sequence-normal.wmv

  6. #6
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    Bugbyte's Avatar
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    The 2140 can sometimes get 'scrambled' -especially during testing or if your battery goes dead. Hook it up to the USB and reflash it. That may do the trick.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

  7. #7
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    It appears it was a broken green acpi wire on the 'quality' mac pac cable

    soldered it back on the plug and that problem is now solved

    Now i have an issue of that it is sleeping my mini fine but then after around 1 minute its cutting power to it

    software is set to sleep mode

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