Epson Apex 20020 - Manual (Page 225)

Appendix F
Types of Hard Disk Drives
This appendix lists the numbers you need to identify a hard
disk drive. Refer to this table and the documentation supplied
with your hard disk to find the correct number for the type of
drive you are installing. You use this drive type number when
you run the Setup program after installing a hard disk drive.
Types of Hard Disk Drives F-1