Yamaha S-90 Owner's Manual page 34

The modem/printer port is not recognized.
• Check the connection and settings of the MIDI interface.
• On some Macintosh models such as the Performa series, the modem port cannot be used
and only the printer port is available.
• The modem/printer port will not be recognized if AppleTalk is ON. Note that with some
Macintosh models, AppleTalk is automatically enabled when starting up.
• Verify that the "Modem" or "Printer" checkbox has been checked in the OMS MIDI Setup
window.
No MIDI In/Out data
• Check whether the MIDI IN/OUT setting in the Utility mode corresponds to the actually
used cable (USB or MIDI).
• In the OMS Port Setup, is MIDI In/Out set to "unknown"? If you change the OMS ports or
setup, the OMS output ports have to be set accordingly in Voice Editor's OMS Port Setup
window. Choose the appropriate receiving device.
• If the port and setup assignments are frequently altered, OMS may be unable to easily rec-
ognize the port. Reboot the Macintosh, set up OMS correctly, then start up the Voice Editor.
Bulk data is not received.
• Open the OMS Port Setup window and check that the MIDI In has been properly assigned
(page 32).
• Open the Editor Setup Dialog and check that the Device Number has been properly
assigned (page
Voice Editor does not start up when Library File (extension .W4E) is double-clicked.
• Change the Type/Creator settings for Library Files as follows, then try double-clicking the
file again.
Type: W4E_
Creator: YS90
11).
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