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  2. ATX - Wikipedia

    en.wikipedia.org/wiki/ATX

    An ATX power supply provides a number of peripheral power connectors and (in modern systems) two connectors for the motherboard: an 8-pin (or 4+4-pin) auxiliary connector providing additional power to the CPU and a main 24-pin power supply connector, an extension of the original 20-pin version. 20-pin Molex 39-29-9202 at the motherboard. 20-pin ...

  3. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    Pinouts of ATX 2.x motherboard power connectors, 24-pin (top) and four-pin "P4" (bottom), as viewed into mating side of the plugs [42] 24-pin ATX motherboard power plug; pins 11, 12, 23 and 24 form a detachable separate four-pin plug, making it backward compatible with 20-pin ATX receptacles

  4. PS-ON Signal - Wikipedia

    en.wikipedia.org/wiki/PS-ON_Signal

    #PS_ON pin is marked by number 16. PS-ON Signal is a pin on a 20-pin or 24-pin ATX-specified power connector used to turn a personal computer power supply unit on/off. The PS_ON pin is normally pulled high in an open-circuit, but will turn on the power supply when it is pulled low, by shorting it to the common signal (COM).

  5. Molex connector - Wikipedia

    en.wikipedia.org/wiki/Molex_connector

    AMP Mate-n-Lok and Molex 8981 0.093-inch pin and socket power connectors Molex standard 0.093-inch pin and socket connectors Molex disk drive power connection system tool and connectors Molex Mini-Fit Jr. connector as used for ATX power supply. A Molex connector is a two-piece pin-and-socket interconnection which became an early electronic ...

  6. File:ATX PS signals.svg - Wikipedia

    en.wikipedia.org/wiki/File:ATX_PS_signals.svg

    English: Pinouts of ATX power supply connectors, displayed according to Intel's Power Supply Design Guide for Desktop Platform Form Factors v1.2 (2008) and v1.31 (2013) COM = COMMON VSB = Volts Stand-By

  7. Power good signal - Wikipedia

    en.wikipedia.org/wiki/Power_good_signal

    The ATX specification requires that the power-good signal ("PWR_OK") go high no sooner than 100 ms after the power rails have stabilized, and remain high for 16 ms after loss of AC power, and fall (to less than 0.4 V) at least 1 ms before the power rails fall out of specification (to 95% of their nominal value).

  8. Template:ATX12VO power connector - Wikipedia

    en.wikipedia.org/wiki/Template:ATX12VO_power...

    ATX12VO power supply connector Color Signal Pin Pin Signal Color Green PS_ON# 1 6 PWR_OK: Gray Black COM 2 7 +12 VSB Purple Black COM 3 8 +12 V1 DC Yellow Black COM 4 9 +12 V1 DC Yellow TBD Reserved 5 10 +12 V1 DC Voltage Sensing Pin Yellow

  9. 78xx - Wikipedia

    en.wikipedia.org/wiki/78xx

    Download as PDF; Printable version; ... The 7905 and/or 7912 were popular in many older ATX power supply ... The 7803SR from Datel is a full switching power supply ...