Asus T3-M2NC51PV User Guide - Page 70

5.4.2 USB Configuration The items in this menu allow you to change the USB-related features. Select an item then press to display the configuration options. USB Configuration Module Version - 2.24.0-11.4 USB 1.1 Controller [Enabled] USB 2.0 Controller [Enabled] USB Devices Enabled: 1 Hub Legacy USB Support [Enabled] USB 2.0 Controller Mode [HiSpeed] BIOS EHCI Hand-off [Enabled] The Module Version and USB Devices Enabled items show the auto-detected values. If no USB device is detected, the item shows None. USB 1.1 Controller [Enabled] Allows you to disable or enable the USB 1.1 controller. Configuration options: [Disabled] [Enabled] USB 2.0 Controller [Enabled] Allows you to disable or enable the USB 2.0 controller. Configuration options: [Disabled] [Enabled] Legacy USB Support [Auto] Allows you to enable or disable support for USB devices on legacy operating systems (OS). Setting to Auto allows the system to detect the presence of USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled. Configuration options: [Disabled] [Enabled] [Auto] USB 2.0 Controller Mode [HiSpeed] Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12 Mbps). Configuration options: [HiSpeed] [Full Speed] BIOS EHCI Hand-off [Enabled] Allows you to enable or disable the enhanced host controller interface (EHCI) hand-off support. This is a workaround for operating systems without EHCI hand-off support. The ECHI ownership change should be claimed by the EHCI driver. Configuration options: [Disabled] [Enabled] 5-16 Chapter 5: BIOS setup