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Thread: Trying to figure jumper settings on CarNetix CNX-P2140

  1. #1
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    Trying to figure jumper settings on CarNetix CNX-P2140

    Hi,

    I am trying to figure out the jumper settings on a new CarNetix CNX-P2140, with mac mini (intel). I've read the instruction manual a few times. Now sure where to set a couple of the jumpers:

    JP1 - Primary Output +20V ? is this correct?
    JP2 - Secondary Output +12V? (using lilliput monitor)
    JP3 - Pins 1-2 Pulse start ? no idea
    JP4 - ? no idea
    JP5 - Set for Mac mini
    JP6 - ? no idea

    So, I am mostly unsure where to set JP1, JP3, JP4, JP6. Any help or direction appreciated.

    Thanks,

    elias

  2. #2
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    Bugbyte's Avatar
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    This is a two parter, I think the second part shows you how to set the jumpers.

    http://www.mp3car.com/vbulletin/mp3c...ce-mp3car.html
    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

  3. #3
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    Thanks for the link. However, the video is showing how to solder wires. What I'm looking for are the correct settings running a mac mini and lilliput monitor.

    Thanks,

    elias

  4. #4
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    Quote Originally Posted by sopmod View Post
    Hi,
    JP1 - Primary Output +20V ? is this correct?
    JP2 - Secondary Output +12V? (using lilliput monitor)
    JP3 - Pins 1-2 Pulse start ? no idea
    JP4 - ? no idea
    JP5 - Set for Mac mini
    JP6 - ? no idea
    JP1 - +20V is wrong, +18.5V is correct.
    JP2 - +12V should be correct for a monitor but check the monitor manual to confirm.
    JP3 - Leave these alone unless you have a P5V add-on board.
    JP4 - Should be set to what's referred to as 'Config 2' in the manual. This give +18.5V primary power with +12V secondary power.
    JP5 - Depends which mac mini you have the newer ones are the Intel CPU models.
    JP6 - Leave it alone.

    I can't guarantee that these are the correct settings, proceed at your own risk, etc.

  5. #5
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    I am so stupid. How long have I been on this forum and running a Mac?

    I've been struggling to get my Mac to start up with the 2140. Thanks for reminding me of the iSense pin outs and of course, RTFM. Except when you're in a rush and would rather search the net and spend twice as much time as if you read it in the first place.

    Thanks Machinehead. The succinct list of the jumper settings was what I needed.
    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

  6. #6
    FLAC Machinehead's Avatar
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    Hopefully the settings I posted are correct, it's been over a year since I've had to open up my P2140.

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