Gigabyte GA-5BXWL-RH User Manual page 22

GA-5BXWL-RH Motherboard
19 ) SYS_FAN (System Fan Connector)
This connector allows you to link with the cooling fan on the system case to lower the system
temperature. These connectors are for system use only.
Pin No.
1
1
2
3
2 2
Definition
GND
+12V
Sense