The Apogee SIM PCI-E Card offers the connectivity, scalability and performance that makes the Symphony System the most professional native audio solution available for a Mac. The SIM PCI Card connects directly to any Mac that utilizes PCI-E slots. When configured with any combination of Rosetta 800, or X-Series converters and the Symphony X-Series option card, the Symphony system will deliver the highest I/O and lowest latency performance of any native hardware solution available for the Mac.
IMPORTANT NOTE for OS X Leopard compatibility To ensure your Apogee product works well with Mac OS X Leopard v10.5, it is critical that you follow the instructions provided at the Apogee website address below.
If you have an existing Apogee software CD or a previously downloaded installer, please do not use it with Leopard. Only use the software and driver versions provided at the link below that are specifically indicated as "Compatible with Leopard."
http://www.apogeedigital.com/leopard/
If you have any questions, please call Apogee support at 310-584-9394.