Pinouts >  Motherboard connectors
5 pin single row male connector layout
5 pin single row male connector
Pin Name Description
1 LED LED Power
2 GND Ground
3 GND Ground
4 KS Key Switch
5 GND Ground


According to 9 reports in our database (9 positive and 0 negative) the AT LED/Keylock pinout should be correct.

Is this pinout
Source(s) of this and additional information: Hardware Book
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