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Thread: PSU: How am I supposed to connect?

  1. #1
    Low Bitrate capcadetjc's Avatar
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    PSU: How am I supposed to connect?

    I have a GP83 160W Intelligent DC-DC PSU and the D945GSEJT Fanless, UltraFlat mini-ITX motherboard. It has NO ATX power connector on it. It only has the 12v and P4 connectors. I cannot find anything on how to connect a DC-DC power connector to it. Can anyone shed some light on this for me?
    My 2007 Jeep Wrangler Worklog

  2. #2
    Maximum Bitrate Crinos's Avatar
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    Sorry to say, but it looks like your DC-DC PSU is not needed.
    Your mainboard is ment to be run by an external power source (the 12V).

  3. #3
    Low Bitrate capcadetjc's Avatar
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    Is there a way I can wire one of the 12v pins or whatever they are called to the ATX connector on the PSU?
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  4. #4
    Low Bitrate capcadetjc's Avatar
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    What if I ran a power and a a ground from the ATX connector on the PSU wired them to a socket for a cigarette lighter, then plugged in a dc-ac converter to that, then plugged in the powersupply for the computer to that. So I would have DC to (DC to AC) then back to DC. I know its not energy efficient but it sounds like thats the only way I can use the power supply to be able to use the wait so long before turning off feature.
    My 2007 Jeep Wrangler Worklog

  5. #5
    Variable Bitrate
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    If you want to use that PSU, you SHOULD be able to use the 12V lines on the PSU's ATX connector to feed the 12V to the motherboard. Would then take jumpering the enable lines on the ATX to get it to turn the power supply on.
    2000 Ford Expedition Eddie Bauer - Bi-Fuel Gasoline/CNG
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  6. #6
    Neither darque nor pervert DarquePervert's Avatar
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    This is one of many situations that can be avoided by proper planning.

    I'm just sayin'.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  7. #7
    Low Bitrate capcadetjc's Avatar
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    And proper item descriptions. They shouldnt put compatible with all Mini-ITX mother boards on products that arent.
    My 2007 Jeep Wrangler Worklog

  8. #8
    Variable Bitrate
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    Quote Originally Posted by capcadetjc View Post
    And proper item descriptions. They shouldnt put compatible with all Mini-ITX mother boards on products that arent.
    The problem is, the Mini-ITX standard calls for the ATX power supply connection as well. The motherboard is the part that is non-standard.
    2000 Ford Expedition Eddie Bauer - Bi-Fuel Gasoline/CNG
    Intel D945GCLF2 w/512MB RAM, CL Audigy w/KxProject, M2-ATX, Lilliput EBY701

  9. #9
    Low Bitrate capcadetjc's Avatar
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    Quote Originally Posted by CraziFuzzy View Post
    The problem is, the Mini-ITX standard calls for the ATX power supply connection as well. The motherboard is the part that is non-standard.
    Yeah thats what really makes me mad right now. I guess Ill just wait awhile and order one with atx power connection and use this MB for my MCPC.
    My 2007 Jeep Wrangler Worklog

  10. #10
    Low Bitrate capcadetjc's Avatar
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    I was able to jump the ATX connector and solder a 12v power to the leads on the PSU. My only problem now is that the PSU sees the computer as always on now and does not send it a power on command when the car turns on.
    My 2007 Jeep Wrangler Worklog

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