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Multiple PCI 424 interfaces and Sample Rate Issues

While the PCI-424 card can operate at sample rates as high as 192kHz, not all MOTU PCI audio interfaces support the higher rates.

Windows OS and Macintosh OS 9:

  • When choosing high sample rates (above 48kHz), interfaces that do not support the rate will be temporarily taken offline by the system.

Macintosh OSX:

  • When choosing high sample rates, you will need to power off or disable the inputs and outputs in the MOTU PCI Audio Console of your unit(s) that do not support the sample rate you are selecting. To bring the other unit back online, Refresh your MOTU PCI Audio Console.