From Mark of the Unicorn:
This install provides compatibility updates for 10.2.7 (and later), as well as Panther 10.3 and G5 compatibility updates. Installer contains drivers for MOTU PCI-324 and PCI-424 audio systems under Mac OSX. This install requires OS 10.2.2 or later. OSX 10.2.4 or higher is highly recommended. MOTU PCI Audio console is provided for PCI-324 and 424 systems. Cuemix and the SMPTE Console is provided for PCI-424 systems. Console applications install into the local directory Applications folder. Cuemix now has control surface support, talkback and listenback capabilities, and I/O port naming under Panther. Refer to .pdf included in installer for update info.
What's new in this version:
This install provides compatibility updates for Tiger OSX 10.4, and is compatible with OSX versions back to Panther OSX 10.3.7. This version also adds PCIe-424 compatibility for the Intel Mac Pro. Installer contains drivers for PCI-424 audio systems under Mac OSX. It also adds support for MOTU PCI-424 PCIe cards. Cuemix now has control surface support, talkback and listenback capabilities, and I/O port naming.