USB 2.0 and 3.0 use different configurations, please make sure you properly configure volumes and controller setting.
USB 2.0 port mapping to volumes with channel 1, driv 0-7
USB 3.0 port mapping to volumes with channel 0, driv 8-15, and the 'USB3.0/1394 Select' setting must configure change to USB 3.0.
Tags: ARC-5040, Q60011311, USB 2.0, USB 3.0