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Using a spare DC-DC power supply for point of load power supply?

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  • Using a spare DC-DC power supply for point of load power supply?

    I have and old Opus 90W sitting here. How can I use this as a point of load type thing to power things like my usb soundcard, xm receiver, crossover, etc..

    I have it powered off an old at power supply but since the atx power cable isn't plugged into anything and neither is the mb power on switch, the power supply just keeps flashing 2 flashes every few seconds indicating the motherboard did not power up.

    Are there certain pins I can ground or something to make it think it has powered up so I can get power from the atx cable or drive cables?

    Thanks,
    Chris
    2004 Ford Mustang Mach 1
    Specs: Epia M2-1000, 512mb ram, SB Audigy NX, Lilliput 7" Touchscreen, M2-ATX, DVD, 160gb HDD, gps, obdII, wifi, bluetooth, XM radio, HQCT and Logitech wireless gamepad.
    Install Status: DONE

    My XM FAQ

  • #2
    google atx jumperhttp://www.duxcw.com/faq/ps/psconnshort.gif

    Comment


    • #3
      Thanks. I tried that out (based on the instructions on the page its from) and I get nothing. Not even a blinking status light. Any ideas?

      Thanks,
      Chris
      2004 Ford Mustang Mach 1
      Specs: Epia M2-1000, 512mb ram, SB Audigy NX, Lilliput 7" Touchscreen, M2-ATX, DVD, 160gb HDD, gps, obdII, wifi, bluetooth, XM radio, HQCT and Logitech wireless gamepad.
      Install Status: DONE

      My XM FAQ

      Comment


      • #4
        with an m2-atx just merge the green cables

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        • #5
          faberz: well taht means it is possible.. thx.

          I'm trying to do this on an opus 90w.. anyone have any ideas on that?
          2004 Ford Mustang Mach 1
          Specs: Epia M2-1000, 512mb ram, SB Audigy NX, Lilliput 7" Touchscreen, M2-ATX, DVD, 160gb HDD, gps, obdII, wifi, bluetooth, XM radio, HQCT and Logitech wireless gamepad.
          Install Status: DONE

          My XM FAQ

          Comment


          • #6
            Not the solution you are seeking, but can be a last restort:

            Link

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