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2. Computer fan control - Wikipedia

   en.wikipedia.org/wiki/Computer_fan_control

   A PWM-capable fan is usually connected to a 4-pin connector (pinout: Ground, +12 V, sense, control). The sense pin is used to relay the rotation speed of the fan and the control pin is an open-drain or open-collector output, which requires a pull-up to 5 V or 3.3 V in the fan.

3. Computer fan - Wikipedia

   en.wikipedia.org/wiki/Computer_fan

   The size and spacing of the pin sockets is identical to a standard three-pin female IC connector and three-pin Molex connector. Some models have the wiring of the white wire (speed sensor) in the middle, whereas the standard 3-pin Molex connector requires the white wire as pin #3, thus compatibility issues may exist. Others

4. 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 ...

5. 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 ...

6. 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 ...

7. Berg connector - Wikipedia

   en.wikipedia.org/wiki/Berg_connector

   The male PCB connector on the 3½-inch floppy drive is normally a polarized right-angle male header, which is a TE Connectivity / AMP 171826-4, [4] the straight model is AMP 171825-4. [5] The shape of the connector housing makes it very easy to determine the pin number allocations by visual inspection.

8. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   1 Mini-DIN 4-pin, 1 Mini-DIN 7-pin, 1 Mini-VGA, 2 BNC, 2 RCA connectors, 8-pin DIN, [4] SCART 21-pin: S-VHS, some laptop computers, analog broadcast video, 1980-1990s home computers including the Commodore 64, C128 and Atari 8-bit computers: The 4-pin mini-DIN that is most common in consumer products today debuted in JVC's 1987 S-VHS. The 7-pin ...

9. Small form factor PC - Wikipedia

   en.wikipedia.org/wiki/Small_form_factor_PC

   When so upgraded, the repurposed fan would be connected to the motherboard's case fan connector (3-pin) while the new CPU fan would be connected to the motherboard's CPU fan connector (4-pin). AOpen Inc. produced a stackable S120 [ 26 ] case, allowing the user to stack up to four components vertically or horizontally.