pressure Posted June 21, 2008 Share Posted June 21, 2008 good day I have installed os x 10.5.2 kalyway on a intel dg31pr motherboard. Everything works, but we are trying to use a USB audio card made by pro tools the M-Box 1 We installed both onboard audio and pro tools drivers, but for some reason, in the SYSTEM OUTPUT it says UNKNOWN DEVICE. How can we change this to make it all come out of the m-box? Link to comment https://www.insanelymac.com/forum/topic/111824-unknown-device-in-system-output/ Share on other sites More sharing options...
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