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Stupid atx question


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It sounds like you are describing the 4 pin molex connector.

The two black wires in the middle are ground, and you should read voltages with your negative lead connected to them.

The negative voltages supplied by your power supply are -5 and -12V, and they will connect to your motherboard only.

All the grounds are connected together, and the negative and positive voltages are referenced from them.

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