1Before You BeginTo use your Adaptec XHub2 ®, you need:■ A PC-compatible notebook or desktop computer with:■ A 266-MHz or faster processor■ Windows ® XP or Windows 2000■ An available USB port■ One high-quality USB cable for each USB device youwish to connect to your XHub2. (High quality USBcables are available for purchase on the Adaptec Website, at www.adaptec.com/buy-cables.)About USB 2.0 PerformanceFor your XHub2 and USB 2.0 devices to operate at USB 2.0speeds, the XHub2 must be connected to a USB 2.0 port,and USB 2.0 drivers with hub support must be installed onyour computer.If your computer does not have a built-in USB 2.0 port,Adaptec recommends connecting your XHub2 to anAdaptec USB 2.0 adapter for the highest-quality USB 2.0connection.Note: USB 1.1 devices won’t operate at USB 2.0 speeds,even if they’re connected to a USB 2.0 hub or adapter.