Acer 500L - Manual (Page 19)

Chapter 1 System Housing 1-7
Installing Disk Drives
Turn off the power switch and unplug the
power cord before installing or removing disk
drives.
3.5-inch Floppy Drive
To install a 3.5-inch floppy drive:
1. Open the front panel and remove the left panel of the housing.
See the Opening the Housing Panels section for more information.
2. Detach the 3.5-inch drive bracket (2 pieces) by removing the
screws from the housing.
3. Attach the drive bracket to the 3.5-inch drive with four screws.
4. Insert the drive into the drive bay and secure it with two screws.
5. Connect the signal and power cables to the drive.