Yamaha Steinberg FW Driver V1.1.0 (Mac OS X)

Please refer to this news article to confirm that this update is needed for your system.

System Requirements For Macintosh OS X
OS ：Mac OS X 10.4.x (Mac OS X 10.4.9 or later for Intel-based Macintosh computer), Mac OS X 10.5.x
Computer：With a FireWire port.
Hard Disk： Free disk space of 50 MB or more; high-speed hard disk

Recommended system requirements (*1)
CPU: PowerPC G5 2.0 GHz Dual or higher, or Core Solo 1.5 GHz or more
Memory: 1 GB or more
Minimum system requirements (*1)
CPU: PowerPC G4 1 GHz or more
Memory: 512 MB or more

*1 The system requirements listed here apply when playing the following audio/MIDI data on the included Cubase AI 4 on the computer connected to a n8/n12. These may differ depending on the particular DAW you are using.
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