Motherboard Power Connections

Last Updated on Sat, 17 Dec 2022 | Operating Systems

Just like other components, motherboards require power to operate. The Advanced Technology Extended (ATX) main power connector has either 20 or 24 pins. The power supply may also have a four-pin or six-pin auxiliary (AUX) power connector that connects to the motherboard. A 20-pin connector will work in a motherboard with a 24-pin socket.

Follow these steps for motherboard power cable installation:

How To Ol Step 1. Align the 20-pin ATX power connector to the socket on the motherboard.

Step 2. Gently press down on the connector until the clip clicks into place.

Step 3. Align the four-pin AUX power connector to the socket on the motherboard.

Step 4. Gently press down on the connector until the clip clicks into place.

Continue reading here: Berg Power Connectors

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Readers' Questions

  • cataldo
    What is the purpose of the 4pin auxiliary connector on a motherboard?
    2 months ago
    • The 4-pin auxiliary connector on a motherboard is an extra power connection used to provide additional power to the CPU. It is typically used when the main power connection from the power supply is not enough to support the processor.