Soft66lc FTDI driver issues in Mac Os

Notes: Since Mavericks, the Soft66lc SDR external has not been working in Max. Although I was not able to update the external, there is a temporary workaround.

Mac OS is hijacking the FTDI USB device with its own driver. You can unload the driver from terminal:

sudo kextunload -bundle

To reload the driver use “kextload”.

Here is  article from Sparkfun with details about this workaround:

And a more elaborate workaround that removes the Apple driver:

Notes about latency and FTDI

The real solution involves using the new Apple driver to communicate with the device:

Or spoofing the driver with a codeless kext: