User`s manual

NA-110 Network Appliance User’s Manual
AMI BIOS Setup Utility
30
 USB Configuration
You can use this screen to select options for the USB Configuration, and change the
value of the selected option. A description of the selected item appears on the right side
of the screen. For items marked with “”, please press <Enter> for more options.
 Legacy USB Support
Use this item to enable or disable support for USB device on legacy operating system.
The default setting is Enabled. Auto option disables legacy support if no USB devices
are connected. Disable option will keep USB devices available only for EFI applications.
 USB transfer time-out
The time-out value for control, bulk and interrupt transfers.
 Device reset time-out
USB mass storage device start unit command time-out.
 Device power-up delay
Maximum time the device will take before it properly reports itself to the host controller.
Auto option uses default value: for a root port it is 100ms, for a hub port the delay is
taken from hub descriptor.