Epson 386/25 - Manual (Page 62)

Hard Disk Drive Types
The following table lists the types of hard disk drives you can use
in your computer. Check this table and the documentation
supplied with your hard disk to find the correct number for the
type of hard disk drive(s) installed in your computer. You need
to enter this number when you set the hard disk drive
configuration in the Setup program.
Hard disk drive type
2-24 Running the Setup Program