MSI MS-6340 - USB Connectors

Chapter 2
2-12
USB Connectors
The mainboard provides a UHCI (Universal Host Controller Interface)
Universal Serial Bus root for attaching USB devices like keyboard, mouse
and other USB devices. You can plug the USB device directly to this
connector.
PIN SIGNAL
1 VCC
2 -Data
3 +Data
4 GND
USB Port 2
USB Port 1
1 2 3 4