Dell Precision 490 Desktop: Back Panel Connectors 4 link integrity light

Back Panel Connectors 4 link integrity light: Dell Precision 490 Desktop

Table of contents

Back Panel Connectors

1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have

a USB printer, plug it into a USB connector.

NOTE: The integrated parallel connector is automatically disabled if the computer

detects an installed card containing a parallel connector configured to the same

address. For more information, see your User’s Guide.

2 line-out/ headphone

Use the green line-out connector to attach headphones and most speakers with

connector

integrated amplifiers.

On computers with a sound card, use the connector on the card.

3 PS/2 mouse connector Plug a standard mouse into the green mouse connector. Turn off the computer

and any attached devices before you connect a mouse to the computer. If you

have a USB mouse, plug it into a USB connector.

®

®

If your computer is running the Microsoft

Windows

XP operating system,

the necessary mouse drivers have been installed on your hard drive.

4 link integrity light

Green — A good connection exists between a 10-Mbps network and

the computer.

Orange — A good connection exists between a 100-Mbps network and

the computer.

Yellow — A good connection exists between a 1000-Mbps (or 1-Gbps) network

and the computer.

Off — The computer is not detecting a physical connection to the network.

22 Quick Reference Guide

1 23 5

11 10 9 8 7

46