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  2. Computer fan control - Wikipedia

    en.wikipedia.org/wiki/Computer_fan_control

    Another method of reducing the fan speed [5] is by moving the 5 V wire in the classical Molex power connector in the place of the Ground wire going to the fan, thereby delivering +7 V (12 V − 5 V = 7 V) to the fan. However, this is a potentially risky method, because +5 V PSU line is intended to source current only, not sink it, so the PSU is ...

  3. Computer fan - Wikipedia

    en.wikipedia.org/wiki/Computer_fan

    Connectors usually used for computer fans are the following: Three-pin Molex connector KK family This Molex connector is used when connecting a fan to the motherboard or other circuit board. It is a small, thick, rectangular in-line female connector with two polarizing tabs on the outer-most edge of one long side.

  4. Motherboard - Wikipedia

    en.wikipedia.org/wiki/Motherboard

    Most motherboards have connectors for additional computer fans and integrated temperature sensors to detect motherboard and CPU temperatures and controllable fan connectors which the BIOS or operating system can use to regulate fan speed. [5] Alternatively computers can use a water cooling system instead of many fans.

  5. 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 ...

  6. 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 ...

  7. Why is my computer so slow? - AOL

    www.aol.com/products/blog/why-is-my-computer-so-slow

    Faulty Hardware Components: Any malfunctioning hardware component, such as a faulty motherboard, power supply unit (PSU) or peripheral device (e.g., mouse, keyboard), can cause slow performance or ...

  8. Molex connector - Wikipedia

    en.wikipedia.org/wiki/Molex_connector

    In 20/24-pin configurations, the Mini-Fit Jr. connector (Molex Mini-fit Jr. 39-28-1203, [7] former 5566-20A or 39-28-1243, [8] former 5566-24A) may be used on ATX motherboards as the main power connector. The same style of connector, in single or paired 4-, 6-, or 8-pin configurations, may be used for additional CPU power and graphics card ...

  9. System Management Bus - Wikipedia

    en.wikipedia.org/wiki/System_Management_Bus

    It is derived from I²C for communication with low-bandwidth devices on a motherboard, especially power related chips such as a laptop's rechargeable battery subsystem (see Smart Battery System and ACPI). [1] Other devices might include external master hosts, temperature sensor, fan or voltage sensors, lid switches, clock generator, and RGB ...

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