Usb function [both controllers, Legacy usb support [enabled, Usb 2.0 controller [enabled – Asus AW171 User Manual
Page 76: Usb 2.0 controller mode [hispeed, Stop ehci hc in ohci handover [hispeed
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Chapter 4: BIOS Setup
USB Configuration
The items in this menu allows you to change the USB-related features.
Select an item then press Enter to display the configuration options.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Module Version : 2.22.4-5.3
USB Devices Enabled : None
USB Function [8 USB Ports]
Legacy USB Support [Auto]
USB 2.0 Controller [Enabled]
USB 2.0 Controller Mode [HiSpeed]
Stop EHCI HC in OHCI handover [HiSpeed]
USB Mass Storage Device Configuration
USB Configuration
Enables USB host
controllers.
USB Function [Both Controllers]
Allows you to set the number of USB ports to activate.
Configuration options: [Disabled] [Both Controllers]
Legacy USB Support [Enabled]
Allows you to enable or disable support for legacy USB devices. 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 [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Configuration options: [Disabled] [Enabled]
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: [Full Speed] [HiSpeed ]
Stop EHCI HC in OHCI handover [HiSpeed]
Allows you to configure the Stop EHCI HC in OHCI handover speed.
Configuration options: [Full Speed] [HiSpeed ]
The Module Version and USB Devices Enabled items show the auto-
detected values. If no USB device is detected, the item shows None.