Product: Platinum, Gold
Version: 5.3.0, 5.x

Description:
A user reports: "When I use two devices on a PCI 324 card and want to set the synchronization to external word clock (house clock), the second interface loses the clock."

Explanation:
The MotU console needs to be configured depending to the conected devices. Please open the PCI-324 console first:

Check the setting for sample rate and set the clock source to the corresponding input. We recommend connecting the first interface (i.e. a Motu 2408) with the clock source. The first interface is connected to the first slot:

Set the in- and outputs in the console software.

The configuration in Logic -> Audio -> Audio Hardware & Drivers-> ASIO should look like this:

Pay attention to the clock source settings, sometimes redraw errors can appear. Click once into another window and go back to the audio driver setup.

In the settings for the clock source please keep in mind that the correct source is set to the correct interface.