Epson Equity 320SX PLUS - Manual (Page 149)

4. Locate the four retaining screws that came with your disk
drive. Insert two screws into the oval holes on each side
of the drive bay and tighten them with a screwdriver, as
shown below.
screws
If you are installing a diskette drive, go to step 5. If you
are installing a hard disk drive, go to step 6.
5. If you are installing a diskette drive in the lower drive
bay, you may want to turn the subassembly upside down
and place it on your work surface. Then locate the
diskette drive ribbon cable; one end is connected to the
top diskette drive and the other end is free. Use the
connector in the middle of the cable to connect the
second drive.
As shown in the next illustration, there is a large slot in
this connector with a small plastic divider near one end
of the slot.
Installing and Removing Disk Drives 7-21