Motherboard connectors

moved due to duplicate

1 GND Ground
2 +12V Positive voltage. Some motherboards use temp sensors to reduce the fan voltage as a method of speed control, the Asus A8N32-SLI deluxe being an example. 


2 pin single row male connector layout
2 pin single row male connector
at the motherboard board
2 pin motherboard fan  connector layout
2 pin motherboard fan  connector
at the cable
According to 9 reports in our database (4 positive and 2 negative) this pinout should be correct.

Is this pinout
Motherboard 2-pin fan connector visual pinout:
Motherboard 2-pin fan connector diagram
click to enlarge
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