Question about HP ATX-300-12Z (ATX30012ZBD) 300-Watt Power Supply

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Wiring query Can you please tell me the two wire colours or the wiring codes to use to trip the power box into manually operating with out plugging it back into the computer as its going to be use as another power source? This is for a 300 watt power base.

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Use a jumper lead and shirt the green (power good) signal to a black wire (gnd) they are conveniently side by side. This will work on all power supplies regardless of wattage.

Posted on May 10, 2009

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pinout on this page

Short 14 and ground, see the above page make sure you sort the right ones, I just tested it with a extra powersupply, shorted 14 and 16 (gnd) psu fan and 12v fan connected to molex turned on fine.

Posted on May 10, 2009

  • Ekse May 10, 2009

    while the above advice was fine, some powersupplys don't have the green wire, then just follow the pinout 14th pin and gnd, on mine it was silver instead of green. there is no green wire on this powersupply.

    thanks and good luck.



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