# Symphony I/O Release 4.2 Requirements

| ##  | ## Symphony Audio Interface Mode

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Requirements to connect Symphony I/O to Apogee Symphony 64 or Mobile PCI cards:

- Apogee Symphony 64 or Apogee Symphony Mobile PCI card (sold separately)

- OS X Snow Leopard 10.6.8 or OS X Lion 10.7 or greater (64-bit and 32-bit kernel modes)

- Symphony 64 - Apple Mac Pro - 2GB memory required, 4 GB recommended

  - Important - Use Symphony 64 Driver 1.1.4 or greater, included in the Symphony I/O Release 4.2 Software Installer.

- Symphony Mobile - Apple MacBook Pro with an Express/34 card slot - 2GB memory required, 4 GB recommended

  - Important - Use Symphony Mobile Driver 1.0.53 or greater, included in the Symphony I/O Release 4.2 Software Installer.

| ##  | ## Pro Tools HD Audio Interface Mode

A Symphony I/O based Pro Tools system consists of two independent computer connections: audio (to a Pro Tools HD PCI card) and software control (via USB to an Intel Mac running Maestro 2). In the case where PCI cards are installed in a PowerPC Mac or Windows computer, it’s possible to run Maestro from a separate Intel Mac, such as Mac Mini or MacBook.

Requirements to connect Symphony I/O to Avid Pro Tools PCI Cards:

- Avid Pro Tools HDX, HD Native or HD Core/Accel/Process card installed in a computer in accordance with the Pro Tools HD Compatibility Grids, available at www.avid.com

- Pro Tools 8.1, 9.0 or greater, 10.0 or greater

Requirements to run Apogee Maestro software, to control Symphony I/O via USB:

- OS X Snow Leopard 10.6.8 or OS X Lion 10.7 or greater (64-bit and 32-bit kernel modes)

- Apple Intel Mac

| ##  | ## USB Audio Interface Mode

Requirements to connect Symphony I/O as a USB audio interface:

- OS X Snow Leopard 10.6.8 or OS X Lion 10.7 or greater (64-bit and 32-bit kernel modes)

- Apple Intel Mac - 2GB memory required, 4 GB recommended

| ##  | ## Standalone Audio Interface Mode

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In Standalone audio interface mode, all audio connections are made using the standard analog and digital i/o found on the I/O Module(s). For software control, connects Symphony I/O's USB port to a Mac.

Requirements to run Apogee Maestro software, to control Symphony I/O via USB:

- OS X Snow Leopard 10.6.8 or OS X Lion 10.7 or greater (64-bit and 32-bit kernel modes)

- Apple Intel Mac