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Thread: Auto boot/Shutdown

  1. #1
    Admin. Linux loser.
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    Bugbyte's Avatar
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    Auto boot/Shutdown

    Maybe someone can explain to me why autoboot/shutdown would be that difficult on the Mac.

    There's a power button on the front of my Mac. When I push it, the Mac either starts or shuts down. I can set the option in the Power Saver panel to control whether it sleeps when I push the button or shuts down.

    Now I don't know enough about the actual hardware to figure this all out, but one of two things ought to do: Either connect a relay that closes the switch as if I'd pushed it (probably momentarily) or I could run the start signal from my Carnetix into the switch, ASSUMING it could handle that voltage.

    Shutdown would be the reverse.

    I'm probably wrong on this but in what way?
    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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  2. #2
    Constant Bitrate cbergeron's Avatar
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    You're not wrong at all. You could easily install a manual pushbutton that you could toggle. Things get a little more sticky when you talk about having a relay controlled pushbutton. Depending on your vehicle, you may have to take things into account such as power draw when the vehicle starter is on; timing of the pushbutton, and how to keep the PC alive while the PC is shutting down.

    My obvious recommendation is to use a "smart" shutdown controller

    Have fun!
    -CB
    DashPC - The Linux Car (since 1999).

    Dash LCD, Via Epia, GPS, XM, OBDII, DSSC Shutdown Controller.

    As seen in the book Geek My Ride

  3. #3
    Variable Bitrate
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    Or, use something that mp3car.com supplies, and is much "smarter" lol
    Since we are using mp3car.com's forums and all...
    The CarPC Pro: http://www.mp3car.com/store/product_...products_id=66

    The CarPC EZ: http://www.mp3car.com/store/product_...products_id=65

    An up-to-date comparison chart: http://www.thecarpcstore.com/link.ht...isonChart.html

    KyferEz
    TheCarPCStore.com - Power Controllers (SDC), Inverters, Tank Circuit, GPS, OBDII, CarPCs, and more!
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  4. #4
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    Quote Originally Posted by KyferEz
    Or, use something that mp3car.com supplies, and is much "smarter" lol
    Since we are using mp3car.com's forums and all...
    The CarPC Pro: http://www.mp3car.com/store/product_...products_id=66

    The CarPC EZ:
    http://www.mp3car.com/store/product_...products_id=65

    An up-to-date comparison chart:
    http://www.thecarpcstore.com/link.ht...isonChart.html

    KyferEz
    Correct me if I'm wrong but that only works for a windows based OS right?

  5. #5
    FLAC IntellaWorks's Avatar
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    .

    Dashwerks has been doing this since before Mp3car... Thier startup controller has been around longer (not publically) than probaly any of the other startup controller...

    I remember thier rough design was with a basic stamp II processor on a parell port..
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
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    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  6. #6
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    Sure, but this is the mp3car.com forum, not the DSSC forum, and it is partially to drive sales at the mp3car.com store... And the last time I checked, Zip-Lock (Nat) does not like others advertising on his forums taking away from mp3car.com sales.

    The CarPC power controllers work with ANY ACPI compliant OS. It is therefore NOT OS specific, the OS just must support ACPI power button specs

    KyferEz
    TheCarPCStore.com - Power Controllers (SDC), Inverters, Tank Circuit, GPS, OBDII, CarPCs, and more!
    PSU Wattage Calculator
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  7. #7
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    Is the Mac ACPI compliant? Or does that not apply here?
    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

  8. #8
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    Quote Originally Posted by KyferEz
    Sure, but this is the mp3car.com forum, not the DSSC forum, and it is partially to drive sales at the mp3car.com store... And the last time I checked, Zip-Lock (Nat) does not like others advertising on his forums taking away from mp3car.com sales.

    The CarPC power controllers work with ANY ACPI compliant OS. It is therefore NOT OS specific, the OS just must support ACPI power button specs

    KyferEz
    Notice the mention of windows though in the description lol. Not to familiar with mac but I don't think this will work with it.

  9. #9
    Variable Bitrate
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    From what I know of MACs, the power controller should work.

    Mike00, The DSSC also requires an ACPI compliant system. So, if one works, they both will, if one doesn't, neither will. The mention of windows is simply because windows often will not detect that some older motherboards are ACPI compliant (when they really are), whereas other Operating systems don't seem to have this trouble.

    KyferEz
    TheCarPCStore.com - Power Controllers (SDC), Inverters, Tank Circuit, GPS, OBDII, CarPCs, and more!
    PSU Wattage Calculator
    Electronics Calculators
    Copper Wire Data

  10. #10
    Constant Bitrate cbergeron's Avatar
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    Or, use something that mp3car.com supplies, and is much "smarter" lol
    If your implication is that because your controller is found at mp3car.com it is a better purchasing decision, you're violently insulting the intelligence of the readers of this forum.

    The bottom line is this:

    You don't need a shutdown controller for what you are trying to do Bug. I just wanted to mention my controller in order to help your installation. I didn't mean for my reply to become a "marketing blitz" on ya; some people are just shameless in promoting thier products.

    If you determine that you need a startup/shutdown controller, feel free to contact us _and_ these other guys so that you can make the best decision.

    As for the MAC - it _is_ ACPI compliant, and I'd be more than happy to help you with any installation issues.

    Kind regards,
    Chris Bergeron
    DashPC - The Linux Car (since 1999).

    Dash LCD, Via Epia, GPS, XM, OBDII, DSSC Shutdown Controller.

    As seen in the book Geek My Ride

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