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  2. Power supply unit (computer) - Wikipedia

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

    While an ATX power supply is connected to the mains supply, it always provides a 5-volt standby (5VSB) power so that the standby functions on the computer and certain peripherals are powered. ATX power supplies are turned on and off by a signal from the motherboard. They also provide a signal to the motherboard to indicate when the DC voltages ...

  3. 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 ...

  4. Motherboard form factor - Wikipedia

    en.wikipedia.org/wiki/Motherboard_form_factor

    A 20 % shorter variant of the ATX form factor. Compatible with most ATX cases, but has fewer slots than ATX, for a smaller power supply unit. Very popular for desktop and small form factor computers as of 2017. Mini-ATX: AOpen: 2005 150 × 150 mm (5.9 × 5.9 in) Mini-ATX is considerably smaller than Micro-ATX.

  5. 80 Plus - Wikipedia

    en.wikipedia.org/wiki/80_Plus

    When a company resells an OEM power supply under a new name, it must be certified under the new name and company, even if the OEM supply is certified. In some instances, a reseller has claimed a higher wattage than the supply can deliver, so the reseller's supply would not meet 80 Plus requirements.

  6. Power engineering software - Wikipedia

    en.wikipedia.org/wiki/Power_engineering_software

    Power engineering software is a software used to create models, analyze or calculate the design of Power stations, Overhead power lines, Transmission towers, Electrical grids, Grounding and Lightning [clarification needed] systems and others. It is a type of application software used for power engineering problems which are transformed into ...

  7. 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).