Quick Start Guide
Page 2
...'t operate at USB 2.0 speeds, the XHub2 must be connected to a USB 2.0 port, and USB 2.0 drivers with hub support must be installed on the Adaptec Web site, at www.adaptec.com/buy-cables.) About USB 2.0 Performance For your XHub2 and USB 2.0 devices to operate at USB 2.0 speeds, even if they're connected to an Adaptec USB 2.0 adapter for purchase on your XHub2 to a USB 2.0 hub or adapter...
...'t operate at USB 2.0 speeds, the XHub2 must be connected to a USB 2.0 port, and USB 2.0 drivers with hub support must be installed on the Adaptec Web site, at www.adaptec.com/buy-cables.) About USB 2.0 Performance For your XHub2 and USB 2.0 devices to operate at USB 2.0 speeds, even if they're connected to an Adaptec USB 2.0 adapter for purchase on your XHub2 to a USB 2.0 hub or adapter...