Epson Epson - Manual (Page 126)

Installing the Internal Drive
Follow these steps to install a drive in the front internal bay:
1. Position the drive so its drive and power connectors face the
back of the computer and its circuit board is on the bottom.
2. Slide the drive into the front internal drive bay as shown
below. Align the holes in both sides of the drive with the
slots in the drive bay. Then secure the drive to the bay with
the four screws that came with it.
You are now ready to connect the cables to the drive using the
instructions in the next section.
Installing and Removing Tower Drives 6-5