COMMELL AS-C74 - Manual (Page 25)

AS-C74 User’s Manual
25
2.11 <USB Installation>
AS-C74 integrates eight USB2.0 ports. The specifications of USB2.0 are listed below:
Interface USB2.0
Controller Intel Q67 PCH
Transfer Rate Up to 480Mb/s
Voltage 5V
The Intel® Q67 contains two Enhanced Host Controller Interface (EHCI) and five Universal
Host Controller Interfaces (UHCI), it can determine whether your connected device is for
USB1.1 or USB2.0, and change the transfer rate automatically.
USB3/4/5/6