Turning ON and old power supply

Discussion in 'Power Supplies and UPS's' started by condennnsa, May 11, 2010.

  1. condennnsa

    condennnsa Geek Trainee

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    Hello everyone. I have 4 power supplies from some old computers, and I want to turn them into Desktop power supplies. They're not atx, and I don't know how to turn them on. They are made by Lucent Technologies, model LP300A.

    I have found the pinout on the internet on this website:
    http://sunsolve.sun.com/handbook_pu...mple/Devices/DCPOWER_Lucent_1337_300W&source=


    That page says that on the 16 pin connector, pin 10 is for power on, I tried connecting pin 10 to ground but nothing happens. I want to mention that I also connected a resistor on the 3.3V rail when I tried, because I heard that some power supplies won't turn on if not loaded.
    Did I need to connect some other pin to pin 10, instead of ground?
    Does anybody know which pins I need to connect in order to get turned on?
    thanks
     

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