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Thread: Some questions about quick snap connectors and test connections...

  1. 08-23-2006, 10:31 PM #1
    Bang321
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    Some questions about quick snap connectors and test connections...

    Well, I've gotten most pretty much everything I need now and am ready to install everything in my car, however, before I do so, I would just like to clarify a few things so I don't seriously mess anything up.

    This is the setup that I'm using.
    1. Aopen Pandora MiniPC (Celeron 1.4 and 30Gig HDD)
    2. Carnetix P1900 Power Supply
    3. LinITX/Dynamix 706 Touchscreen VGA LCD
    4. Holux GPS Receiver

    I am getting ready to install the powersupply but would like to bench test it before I install it in my vehicle so I can make sure everything works and all the settings are correct. So my first few questions regarding this are:

    1. Can I use a normal PC Power supply and just use the 12V from a molex connector and hook it up to the 12V input and ground of the P1900 or do I need to purchase a 12V bench supply?

    2. When I do hook the P1900 to a power source that is not in my car, how do I turn it on (since I will not have an ignition switch in my house)?

    3. When either testing or in the permanent install, is it safe to use either crimp on snap connectors, crimp on butt connectors or those of the like? Or must I solder everything to ensure the best connection.

    (It would be ideal to just use an alligator clip or somehting during the testing phase since it will be the easiest to remove, but is this safe?)

    I know this is alot to ask, but my last question is whether or not I need a powered USB Hub since all I will be using is the LCD Touch screen and GPS receiver. I may put in just a normal non powered hub for the occasional mouse or keyboard.

    Once again, sorry for posting such a long list of questions, but any help would be grealy appreciated.
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  2. 08-23-2006, 11:05 PM #2
    DarquePervert
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    Quote Originally Posted by Bang321 View Post
    1. Can I use a normal PC Power supply and just use the 12V from a molex connector and hook it up to the 12V input and ground of the P1900 or do I need to purchase a 12V bench supply?
    Yes, as long as the PSU you intend to use puts out suitable amperage ont eh 12v rail. Check the sticker on it for the ratings.

    2. When I do hook the P1900 to a power source that is not in my car, how do I turn it on (since I will not have an ignition switch in my house)?
    With wire...
    Seriously... Tap into a HDD power connection. The yellow wire is +12v, the red is +5v and the black ones are ground. the +12v and ground go to the carnetix, and another wire in the +12v pin with a switch that maintains on/off state runs to the IGN on the carnetix. The switch will simulate ignition.

    [I]3. When either testing or in the permanent install, is it safe to use either crimp on snap connectors, crimp on butt connectors or those of the like? Or must I solder everything to ensure the best connection.
    Crimipng is acceptable, but soldered is a better connection.

    I know this is alot to ask, but my last question is whether or not I need a powered USB Hub since all I will be using is the LCD Touch screen and GPS receiver. I may put in just a normal non powered hub for the occasional mouse or keyboard.
    First of all, I always recommend PS2 keyboard and mouse. You never need drivers and if USB craps out, you'll still be able to control the PC.
    rather than a USB hub, I'd simply get USB extensions or extend USB headers using Cat5 cable. Why have a bulky hub whne it's not really needed? The Pandora has at least 6 USB ports, so you're not going to be hurting for ports unless you start adding all sorts of USB bling to the setup.
    Have you looked in the FAQ yet?
    How about the Wiki?


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  3. 08-24-2006, 01:51 PM #3
    Bang321
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    Thanks alot, all I need to do is run out to get some connectors and cabling now. I have one more question though.

    Do I need to run a fuse between the ATX Power supply and my P1900 when I'm testing it?

    Thanks Again.
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  4. 08-24-2006, 07:12 PM #4
    Bang321
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    Thanks!

    I got it working now. I was afraid that I would blow something up, but thats seems to not be a convern anymore. Thanks again!
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