Dell Precision 490 Manuel d'utilisateur télécharger pdf (Page 22)

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101

22 Quick Reference Guide

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

connector

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

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.

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Dell Precision 490 Manuel d'utilisateur Page 22

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