Dell Precision 490: Front View (Desktop Orientation)

Front View (Desktop Orientation): Dell Precision 490

Table of contents

Front View (Desktop Orientation)

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1 upper 5.25-inch drive bay Holds a CD/DVD drive.

2 lower 5.25-inch drive bay You can use the bay for an optional CD/DVD drive, or a SATA hard drive.

3 FlexBay You can use the bay for a floppy drive, or a Media Card Reader.

4 IEEE 1394 connector

Use the optional IEEE 1394 connector for high-speed data devices such as digital

(optional)

video cameras and external storage devices.

5 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as

flash memory keys or cameras, or for bootable USB devices (see

"System Setup"

in your

User’s Guide

for more information on booting to a USB device).

It is recommended that you use the back USB connectors for devices that

typically remain connected, such as printers and keyboards.

6 hard-drive activity light The hard drive light is on when the computer reads data from or writes data to

the hard drive. The light might also be on when a device such as your CD player

is operating.

7 Dell™ rotatable badge To rotate the Dell badge for tower-to-desktop conversion; remove the

front panel

,

turn it over, and rotate the plastic handle behind the badge.

8 power button Press to turn on the computer.

NOTICE: To avoid losing data, do not use the power button to turn off the computer.

Instead, perform an operating system shutdown.

NOTE: The power button can also be used to wake the system or to place it into

a power-saving state. See your User’s Guide for more information.

24 Quick Reference Guide