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Thread: power supply noob question

  1. #1
    Maximum Bitrate Yevmeister's Avatar
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    power supply noob question

    I have a vw jetta mk5, and vehicle is equipped with 3 dc outputs
    2 in the passenger space, and 1 in the trunk

    I am planning to install MAC mini with 7 inch lilliput monitor,

    what would be the consequence if i just convert it with the conventional DC to AC adapter to power those 2 devices

    I know somewhat about car electroics, and i would like to keep the wiring as independent from the vehicle as possible

    thank you in advance,

    Yev

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    Bugbyte's Avatar
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    If you mean can you run it using an inverter and simply plug the Mac Mini power supply into the inverter, yes, you can do that.

    It will not have automatic startup or shutdown and it will not sleep unless you select that option manually each time you shut down.
    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.
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    Consider this would be the easiest way in my case, it would definately have automatic shut down beacuse once i will pull the key out of ignition, it will turn all devices off, right

    or there is something else to it

    thanks,

    Yev

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    Bugbyte's Avatar
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    Well, yeah, that would "shut down" the computer. However, just yanking the power on a consistent basis can potentially cause your hard drive to get corrupted. For example, say you shut the power off in the middle of writing something to disk. It could corrupt the program or even the drive.

    The Mac tends to be more forgiving of this but it's not a good idea to do on a daily basis.
    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

  5. #5
    Newbie Eamon418's Avatar
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    Yev,

    You might want to double check the Jetta manual to check on your 12V outlets. I have a 2004 and the outlets are all unswitched, so they are always on. If yours are the same then just removing the key will not kill power and you could wind up with a dead battery. If the manual doesn't say for whatever reason just insert an adaptor into one of the outlets without the key in and you'll know for sure.

    gl

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    yes you are right

    i have found out when tested fm transmitter, it stayed on,
    the reason i though iabout it, because when i play stereo, and when i turn off
    my engine it's still playing, but i turns of once i pull the key

    thank you for the tip,

    Yev

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    I have my pc hooked up to the 12v outlet in the boot (Golf Mk5) and my pc shuts down when I start the car. The 12v line doesn't supply enough voltage when cranking.

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    Quote Originally Posted by Meelobee
    I have my pc hooked up to the 12v outlet in the boot (Golf Mk5) and my pc shuts down when I start the car. The 12v line doesn't supply enough voltage when cranking.
    Well as much i can understand, , i have bought dc to ac inverter, and mac mini do not requre to as much wattage as PC's contionous 80 watts

    well i will see when i will actually test it, i have ordered one couple of days ago, should get it sometime next week

    -Yev

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