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Thread: Weird problem with DSATX and SP13000

  1. #1
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    Weird problem with DSATX and SP13000

    I basically wanted to test everything out today and start by installing windows and all the drivers (touchscreen, mobo, gps) but the 2-pin jumper cable that goes from G at JP1 from the PSU to the Power on header on the mobo is acting very stupid. when i have it pluged in properly (yes i checked polarity) it totally ignores the ignition switch and i have to manually take it out and give it that start by plugging it in. so the PSU jumper cable is acting like its pushing the button in for a force shutdown. what should i do. as far as cabling goes i checked everything as well as my uncle.
    thank for all advice

  2. #2
    Variable Bitrate gameboy's Avatar
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    what exactly do you have the 3 wires(VIN, ACC, GRN) going to?
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  3. #3
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    VIN going to 12V+ constant, ACC going to Ignition/Switched 12V+, and GRN going to Ground 12V-. When i took out my factory radio I just ended up getting a radio harness and it was so simple to hook up, i just dont know why its being stupid

  4. #4
    Variable Bitrate gameboy's Avatar
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    just a thought, have you checked your ACC and VIN sources with a DMM?

    if so, have you tried it out of the car(use an old AT powersupply, or splice the green and a black wire on the mobo header),

    off a 4 pin molex connector pull 12v off the yellow wire, and gnd off a black wire)

    see if it works indoors.

    also, you may want to post at their website:

    http://www.mpegbox.net
    95 Mazda Protege LX
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    2003 Nissan Altima
    [XXXXXXXX--] 80% Planning
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  5. #5
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    the weird thing is, i took out a power switch from my home computer and now it works fine, so i dunno if i should report that this is a defective PSU or just stick with the switch since its not bothering me too much

  6. #6
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    anyone? or should i return this as a defective product

  7. #7
    FLAC
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    Quote Originally Posted by arawas
    anyone? or should i return this as a defective product
    Do you have a Meter? Have you verified that the motherboard connector power switch is the right kind of input?

    The best test is the following:

    1.Take the motherboard into the house.
    2. Plug in a standard AC-DC ATX Power Supply and have it plugged into the wall and the main 20 pin connector connected to the mobo.
    3. Take your volt meter and stick the minus side (black probe) into a Hard Drive Black wire on the 4 pin molex connector from the Standard AC-DC ATX power supply.
    4. Stick the red probe on both of the power button pins(not at the same time). You should measure 5 volts on one of them and 0 volts on the other.
    5. Make sure that the one you measure 5 volts is called the Power Switch Line.
    6. This pin is the pin that should connect to G1 of JP1.
    7. In the manual, it should say "Power SW and Gnd" for the two pins on the motherboard headder.
    8. Some motherboards say "Power Sw and 5VSB" for those pins and requires a mod to the DSATX.



    I'm looking here:

    http://www.via.com.tw/download/mainb...IA-SP_v100.pdf

    Page 26 shows Pin 6 having the PW_BN line. I assume you have the red wire on this, and the black wire on pin 8. And on the DSATX you have the red wire on G1 and the black wire of the jumper on G2.

    Is this right?


    -Jeff
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  8. #8
    FLAC
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    Quote Originally Posted by arawas
    anyone? or should i return this as a defective product
    For future note, please allow more than 2 hours for people to respond to you, it's not really fair...
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  9. #9
    FLAC
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    Any news?
    MPEGBOX - Plexiglass Computer
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  10. #10
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    that is correct that is the way i have it connected. That is also the exact manual for my motherboard. Will my DSATX need that mod you were talking about? If so how? Basically it seems that it is constantly providing voltage on that line simulating the power button being permanently pressed. So if i leave it plugged in nothing happens. If i pull it out, plug it in for a moment and unplug it the computer goes on. If i leave it connected the computer turns off after 5 seconds. This happens regardless of wether the ignition key is turned on or off, and regardless of wether the car is running or not.

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  1. Weird problem with DSATX and SP13000
    By arawas in forum General Hardware Discussion
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    Last Post: 01-15-2006, 05:59 PM

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