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.

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 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.

Connection/

 

 

 

 

 

 

 

 

 

 

Speed LED

 

 

 

Activity LED

Connection/Speed LED:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

State

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orange

1 Gbps data rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Green

100 Mbps data rate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

10 Mbps data rate

 

 

 

 

LAN Port

 

 

 

 

 

 

Activity LED:

State

Description

Blinking

Data transmission or receiving is occurring

Off

No data transmission or receiving is occurring

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.

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Hardware Installation

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Gigabyte GA-EP45-UD3LR user manual Back Panel Connectors