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  2. Voltage regulator module - Wikipedia

    en.wikipedia.org/wiki/Voltage_regulator_module

    A voltage regulator module ( VRM ), sometimes called processor power module ( PPM ), is a buck converter that provides the microprocessor and chipset the appropriate supply voltage, converting +3.3 V, +5 V or +12 V to lower voltages required by the devices, allowing devices with different supply voltages be mounted on the same motherboard.

  3. Power supply unit (computer) - Wikipedia

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

    12V only System monitoring (P10): This is a 171822-8 AMP or equivalent connector carrying a supply to the PSU fan and sense returns. [31] ATX12V 4-pin power connector (also called the P4 power connector). A second connector that goes to the motherboard (in addition to the 24-pin ATX motherboard connector) to supply dedicated power for the ...

  4. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains ...

  5. 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. The signal is then sent to the motherboard, where it is received by the ...

  6. ATX - Wikipedia

    en.wikipedia.org/wiki/ATX

    An ATX motherboard. Comparison of some common motherboard form factors (pen for scale) ATX ( Advanced Technology Extended) is a motherboard and power supply configuration specification, patented by David Dent in 1995 at Intel, [ 1] to improve on previous de facto standards like the AT design. It was the first major change in desktop computer ...

  7. Voltage converter - Wikipedia

    en.wikipedia.org/wiki/Voltage_converter

    A common use of the voltage converter is for a device that allows appliances made for the mains voltage of one geographical region to operate in an area with different voltage. Such a device may be called a voltage converter, power converter, travel adapter, etc. Most single phase alternating-current electrical outlets in the world supply power ...

  8. Molex connector - Wikipedia

    en.wikipedia.org/wiki/Molex_connector

    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 standard. Developed by Molex Connector Company in the late 1950s, the design features cylindrical spring-metal pins that fit into cylindrical spring-metal sockets, both held in a rectangular ...

  9. Power supply - Wikipedia

    en.wikipedia.org/wiki/Power_supply

    A modern computer power supply is a switch-mode power supply that converts AC power from the mains supply, to several DC voltages. Switch-mode supplies replaced linear supplies due to cost, weight, efficiency and size improvements. The diverse collection of output voltages also have widely varying current draw requirements.

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