You may install a CD-ROM, digital audio tape (DAT), hard disk, diskette
drive or any other 5.25-inch device into the drive bay.
Open the lower front panel.
Remove the upper panel including its frame by pressing the latch
underside and pulling the panel out.
Secure the drive guides on the sides of a 5.25-inch drive.
Insert the drive into the drive bay.
Connect the signal and power cables to the drive.