You must first figure out what device your Amiga HD/CF is, say it is /dev/disk2...
Then, assuming this Amiga HD/CF has an RDB header, just use FS-UAE option hard_drive_0 = /dev/disk2
As noted in a previous post here, you must have permissions to use the device, for full read/write permissions, you can use something like:
Code:
chmod a+rw /dev/disk2
Warning: this will give all users read/write access to the device, and make sure to use the correct device.
Disclaimers:
- I have not tried myself on OS X
- Don't try to mount your system drives
- The instructions may be incorrect
- Make sure to have a backup (at least if you enable write access)