For topics related to original Mbox, Mbox 2 family, Digi 001, Digi 002 family, 003 family on Mac OS. The free and lightweight Mac OS X installer which provides the driver needed for your Digi 002 and 003 Firewire audio interfaces Digi 002 and 003 Driver is the the free software package that installs the driver for various models of the Digi Firewire interface: 003, 003Rack, 003RackPlus, Digi002 and Digi002. Digirack 002 driver for mac.
I have been using my Digi 002 Rack (via firewire) with Logic Pro X - Mind you, this is only for a day, but so far everything is working great.
You should go to the avid web site and do a search for 002 drivers and this should get you a link to the download page.
Digi 003 Driver Mac 10.7.5
Digidesign Drivers For Mac
I downloaded and installed the latest which is version 11.0.0. and this will give you 'Avid 002/003 Family' icon in the system preferences.
Digi 002 Driver
X chat for mac.
Digi 002 Drivers Windows 10
Edit - I am using a Mac Pro Tower so I can't speak to the latest iMac, but a thunderbolt to firewire adapter should do the trick in that case. As a precaution you could install the latest 002/003 drivers and make sure you can access the device that way before dropping the money for Logic.