Yamaha SY99 Owner's Manual page 335

APPENDIX
Acceptable disk formats: Standard MIDI Files
may of course be saved to or loaded from disks
formatted by the SY99. Disks formatted by a
personal computer may also be used, as long as
they are 2DD disks in MS-DOS
format. Disks formatted by an Apple
Macintosh may used as long as they are
formatted using a SuperDrive or other disk drive
device capable of formatting a disk in MS-
DOS format.
To use Standard MIDI Files saved by the
SY99 on an Apple Macintosh
a similar utility to change the file type attribute
to that of a MIDI file.
324
or PC-DOS
use ResEdit or
MS-DO
S is a registered trademark of Microsoft
Corporation.
PS-DOS is a registered trademark of International
Business Machines Corporation.
Macintosh is a registered trademark of Apple
Computer, Inc.