Asus T2-AH1 T2-AH1 English user manual E2065 - Page 104

5.4.4 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 - 2.24.0-10.4 USB Devices Enabled: None USB Controller Legacy USB Support USB Wake Up from S5 USB 2.0 Controller Mode BIOS EHCI Hand-off [USB1.1+2.0] [Auto] [Disabled] [HiSpeed] [Enabled] Configure the USB support. The M o d u l e V e r s i o n and U S B D e v i c e s E n a b l e d items show the auto-detected values. If no USB device is detected, the item shows N o n e. USB Controller [USB1.1+2.0] Allows you to select the USB 2.0 controller mode, or disable this function. Configuration options: [Disabled] [USB1.1 only] [USB1.1+2.0] 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 Wake Up from S5 [Disabled] Allows you to enable or disable USB wake-up from S5. When set to [Enabled], you need to unplug the USB device (or plug in a USB device if none is plugged) to avail of this function. Configuration options: [Disabled] [Enabled] USB 2.0 Controller Mode [HiSpeed] Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or FullSpeed (12 Mbps). Configuration options: [FullSpeed ] [HiSpeed ] 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] 5-22 Chapter 5: BIOS setup