M Compatibility Issues
M 2.7.2 isn't working right on my PPC machine, what can I do?
If you have a PPC machine, we are recommending that you stick with M 2.6, as M 2.7 eliminates some features and is primarily for Intel-based Mac machines. Please send an email to
support@cycling74.com including your serial number to request a download link.
I'm using M 2.7.2 and I can't use the AU DLS Synth as an output. Is there any way to do this?
This feature has been eliminated for M 2.7. You will need to route your midi data through another program in order to utilize the AU DLS Synth.
Does M 2.6 require anything special other than Mac OS X?
No, Core MIDI is included with every version of Mac OS X. You may want to visit sites such as osxaudio.com to learn about other applications you can use with M, such as MIDI Patch Bay and SynthTest
Are there any features in M 2.6 other than OS X compatibility?
The only new feature is an Output Latency control in the MIDI Assignment window that allows you to introduce slight delays into the MIDI output in order to improve timing resolution with certain MIDI interfaces.
Does M 2.6 read in M 2.5 files?
Yes, however, OMS-specific device assignments in the MIDI Assignment window will be lost.
Can I use M 2.6 in conjunction with MaxMSP?
Yes. To feed MIDI from M to Max, use M's MIDI Assignment window to select from M 1 or from M 2 as the device assigned to an M output channel you will be playing. In
MaxMSP, choose from M 1 or from M 2 as the input for a MIDI object such as notein (double-click on the object to get a pop-up menu of MIDI ports). To feed MIDI from Max to M, use M's MIDI Assignment window select to M 1 or to M 2 as the device assigned to an M input channel you will be listening to. In Max, double-click on a MIDI output object such as noteout to choose to M 1 or to M 2 as the output port.
Can I use M 2.5 in conjunction with MAX?
Yes. You have can use the MIDI Manager and connect the output of one program to the input of the other using Patch Bay, or you can use the OMS IAC Driver (available as an add-on to OMS) to pipe MIDI from one program to the other. This requires System 7, and Allow non-OMS applications must be unchecked in OMS Setup.
Do old versions of M read in files created with the new version?
This is not something we have extensively tested. At the very least, there is information contained in the new version that will be ignored by previous versions
Does M import or export type 1 MIDI files?
No, just type 0 files.
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