I dusted off my old *original* Mbox the other day and attempted to get it up and running on my Mac running Yosemite. I realize it's a long shot to hope that there's a driver that would still work with this relic, but it's in perfect shape and would be a shame just to trash it and shell out the dough for a new unit. Pac File Bypass Proxy For Local Addresses Free. I was inspired to try when I dug out my old M-Audio UNO midi cable and successfully found a modern driver for the UNO's successor that brought my old device back to life.

Peterhost. I was hoping I might have the same luck with Avid. My attempts so far have not been successful. Might there be an older driver still lurking that would bring my Mbox back from the dead?