We've got a G5 running 10.3.5 that has an MBox connected. System
preferences sees it, and it's usable as a playback device in
QuickTime, etc. but my code does not even find it on the system.
Does the MBox have to be treated as a 'special case'?
Know that you are not alone in your frustration! ;) AFAIK, the M-Box
has never been shipped with a CoreAudio-compliant driver, due to
various Digidesign "requirements" for compatibility with their existing
environment/code structure. If you uninstall the Digi driver, you can
download and install a 3rd-party driver demo from
<http://www.usb-audio.com> which does work with the M-Box, so you can
see if there might be a problem in your code or with your hardware.
You'll need to reboot without the M-Box connected to USB, and
hot-connect it to the G5 so the driver can match the device properly;
note that this driver will also attempt to control all other USB audio
interfaces as well, which may not work if you have interfaces with
vendor-specific requirements (USBPre, etc) connected at the same time,
unless their drivers can match them first... so make sure to leave them
plugged in when you reboot.
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