Version 10.3.10 is widely considered a "legacy" standard because it is the last version to support TDM (Time Division Multiplexing) Avid Pro Audio Community
: Expanded voice counts and track limits compared to the standard "non-HD" version. or details on how to set up a legacy Mountain Lion partition for this version? Pro Tools 10.3 System Requirements - Knowledge Base - Avid Avid Pro Tools HD 10 3 10 Mac OSX -Kd By Openssh-l
Users would typically run a script called OpenSSH-l_installer.command in Terminal, which would chmod binaries, kill coreaudiod, and copy patched frameworks into /Library/Application Support/Avid/Audio/ . Version 10