Internal USB Header Pinout
When connecting front case USB ports directly to the motherboard, use the diagram below to identify the correct pins for each cable.
B is the voltage line, and sometimes goes by VCC or
+5.
- and + are the data transmission lines, and sometimes goes by D- and D+.
G is the ground line. The Shield cable is not used.
- and + are the data transmission lines, and sometimes goes by D- and D+.
G is the ground line. The Shield cable is not used.