+=======
+ <dd>The selector should show all availiable interfaces that driver
+ provides that are duplex capable for Ardour to
+ use. <strong>Important</strong> if you are using an Intel Mac
+ running OS X and the builtin audio interface, you must
+ first <a href="setting-up-your-system/us
+ ing_more_than_one_audio_device/">merge its separate input and
+ output devices into a single "aggregate device"</a> before
+ Ardour will be able to use it.<br>
+>>>>>>> minor patch for manual section on using multiple devices (from Thomas Vecchione):_manual/07_working-with-sessions/06_the-new-session-dialog/01_audio-setup.html