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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 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:24-pin ATX power plug from a Seasonic PSU 20131105.jpg

   en.wikipedia.org/wiki/File:24-pin_ATX_power...

   English: 24-pin ATX power plug, from a Seasonic ATX PSU; pins 11, 12, 23 and 24 form a detachable separate four-pin plug, making it backward compatible with 20-pin ATX receptacles. Date 5 November 2013, 00:46

7. Power good signal - Wikipedia

   en.wikipedia.org/wiki/Power_good_signal

   The ATX specification defines the Power-Good signal as a +5-volt (V) signal generated in the power supply when it has passed its internal self-tests and the outputs have stabilized. This normally takes between 0.1 and 0.5 seconds after the power supply is switched on.