How to configure Logic Audio (4.5 an later) for use with Digi 001 hardware: -The following Items need to be installed (and enabled in the current Extension set) in the System Folder>Extensions folder for Logic Audio:-DigiSystem INIT 5.0.1 (or later)-Digidesign Direct I/O 5.0.1 (or later)-Launch Logic, open the Audio>Audio Hardware and Drivers window-Enable Direct I/O. -Quit and relaunch Logic