Dell Precision 420 User Manual
Page 30
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Installing Diskette, LS-120 SuperDisk, Tape, and CD-
ROM Drives: Dell Precision™
WorkStation 420 Systems User's Guide
Installing a Diskette, LS-120 SuperDisk, Tape, or CD-ROM Drive in a Mini Tower Chassis
To install a diskette, LS-120 SuperDisk, tape, or CD-ROM drive in the mini tower chassis, perform the following steps.
1. Unpack the drive and prepare it for installation.
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
Check the documentation that accompanied the drive to verify that the drive is configured for your computer system. Change any
settings necessary for your configuration.
2. If you are installing an EIDE drive, configure the drive for the Cable Select setting as described in the documentation that accompanied your
drive.
3. Remove the computer cover as instructed in
Removing the Computer Cover (Mini Tower Chassis)
."
4. Remove the front bezel as instructed in "
Removing and Replacing the Front Bezel (Mini Tower Chassis Only)
."
5. Remove the drive bracket from the bay you want to use.
Squeeze the metal tabs that extend from each side of the drive bracket toward each other, and pull the bracket out of the bay (see
).
Figure 1. Removing a Drive From the Mini Tower Chassis
If a drive is already installed in the bay and you are replacing it, disconnect the DC power cable and interface cable from the back of
the drive before sliding the bracket out of the bay. To remove the old drive from the bracket, turn the drive/bracket assembly upside
down and unscrew the four screws that secure the drive to the bracket (see
6. Attach the drive bracket to the new drive.
Turn the drive upside down, and locate the four screw holes around its perimeter. Fit the bracket over the drive, and then tilt the front of the
drive up so that the bracket drops down into place. To ensure proper installation, all screw holes should be aligned and the tabs on the front
Installing a Diskette, LS-120 SuperDisk, Tape, or CD-ROM Drive in a
Mini Tower Chassis
Installing a Diskette, LS-120 SuperDisk, Tape, or CD-ROM Drive in a
Desktop Chassis
CAUTION: Before you remove the computer cover, see "
Safety First
—For You and Your Computer
."
NOTES: LS-120 SuperDisk drives are enhanced integrated drive electronics (EIDE) devices.
Dell Precision WorkStation 420 systems equipped with LS-120 SuperDisk drives have the drive configured as the master device on the
secondary EIDE channel. If you install an LS-120 SuperDisk drive in your system, Dell recommends that you configure the drive for this
setting. For instructions on configuring the drive as the master device, see the documentation that accompanied the drive.
NOTE: For easier access inside the chassis, you may want to rotate the power supply out of the way temporarily. To do so, see
"
Rotating the Power Supply Away From the System Board (Mini Tower Chassis)
."
1 Bracket
tabs (2)