Yamaha MOTIF RACK Music System Owner's Manual page 13

1.3. MOTIF ES + DAW incompatible with OPT or Total Recall + Multi Part Editor + MOTIF-RACK
The ports can be changed.
MOTIF ES6/7/8
USB Remote MIDI
In/Out Port 1-4
(Mode A Logic)
DAW
Audio Mixer
Track View
USB MIDI
In/Out Port 0-2
MOTIF-RACK
Studio Manager
Multi Part Editor
USB MIDI
In/Out Port 0-1
13
USB Remote MIDI
In/Out Port 1-3
(Mode B General)
USB MIDI
In/Out Port 0-1
Merge (join) Port 0-1
(page 9)
with Port 0-2