Gigabyte GA-P55-USB3 Manual - Page 19

1-6 Back Panel Connectors j USB 2.0/1.1 Port The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB flash drive and etc. PS/2 Keyboard/Mouse Port Use this port to connect a PS/2 keyboard or mouse. Optical S/PDIF Out Connector This connector provides digital audio out to an external audio system that supports digital optical audio. Before using this feature, ensure that your audio system provides an optical digital audio in connector. Coaxial S/PDIF Out Connector This connector provides digital audio out to an external audio system that supports digital coaxial audio. Before using this feature, ensure that your audio system provides a coaxial digital audio in connector. USB 3.0/2.0 Port The USB 3.0 port supports the USB 3.0 specification and is compatible to the USB 2.0/1.1 specification. Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB flash drive and etc. RJ-45 LAN Port The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following describes the states of the LAN port LEDs. Connection/ Speed LED Activity LED LAN Port Connection/Speed LED: State Description Orange 1 Gbps data rate Green 100 Mbps data rate Off 10 Mbps data rate Activity LED: State Description Blinking Data transmission or receiving is occurring Off No data transmission or receiving is occurring j Only for P55 Chipset. • When removing the cable connected to a back panel connector, first remove the cable from your device and then remove it from the motherboard. • When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent an electrical short inside the cable connector. - 19 - Hardware Installation