Pinouts >  Motherboard connectors
2 pin single row male connector layout
2 pin single row male connector

moved due to duplicate

Pin
Number
Pin
Name
Description
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 motherboard fan  connector layout
2 pin motherboard fan  connector
According to 10 reports in our database (5 positive and 2 negative) the Motherboard 2-pin fan connector pinout should be correct.

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