Akai s2000 Owner's Manual page 41

LOAD
You may also get the message:
This indicates that the hard disk needs to be formatted. Please refer to the section that
explains the GLOBAL pages for more information on formatting hard disks.
From now on, whether you are loading from floppy disk or hard disk (or CD-ROM, etc.), the
process is exactly the same and so both methods are explained together.
S2000 Operator's Manual - Version 1.30 Page 29