Gigabyte GA-EP31-DS3L, User Manual

Page: 19 / 88

Hardware Installation - 19 -
1-6 Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a
PS/2 keyboard.
Parallel Port
Use the parallel port to connect devices such as a printer, scanner and etc. The parallel port is also
called a printer port.
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.
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.
Serial Port
Use the serial port to connect devices such as a mouse, modem or other peripherals.
USB Port
The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as an
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.
Activity LED
Connection/
Speed LED
LAN Port
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
Connection/Speed LED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
•
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.