Epson Epson - Manual (Page 105)

2. Align the holes in the drive with the oval-shaped holes in the
bracket.
3. Secure the drive with two or four screws, depending on the
location of the holes.
Replacing the Bracket in the Computer
Follow these steps to replace the bracket in your computer:
1. Lower the bracket into the mounting area and slide it
forward, inserting the front of the diskette drive through
the drive slot in the front panel of the computer.
Installing and Removing Slimline Drives 5 - 7