Motherboard connectors
Pin Name Description
1 -SP -Speaker
2 key Key
3 GND Ground
4 +SP5V +Speaker +5 VDC
4 pin single row male connector layout
4 pin single row male connector
at the PC
According to 4 reports in our database (4 positive and 0 negative) this pinout should be correct.

Is this pinout
PC Speaker connector visual pinout:
PC Speaker connector diagram
click to enlarge
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