NCA-1020 User Manual
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This option allows you to configure USB device Settings.
USB Module Version:
displays information about USB module version
USB Devices:
displays USB devices
Legacy USB Support:
this function enables or disables legacy USB support. Auto option disables legacy
support if no USB devices are connected. Disable option will keep USB devices available only for EFI
applications. You may select “Enabled”, “Disabled” or “Auto”.
EHCI Hand-off:
enables or disables EHCI Hand-off function. This is a workaround for operating systems
without EHCI hand-off support. The EHCI ownership change should be claimed by EHCI driver.
USB Mass Storage Driv:
this option allows you to enable or disable USB mass storage driver. The
default is “Enabled”.
USB transfer time-out:
set USB time-out value (1, 5, 10 or 20 seconds) for Control, Bulk and Interrupt
transfers.
Device reset time-out:
set USB mass storage device Start Unit command time-out (10, 20, 30 or 40
seconds).
Device power-up delay:
set the maximum time the device will take before it properly reports itself to
the Host Controller. “Auto” uses the default value. For example, it is 100ms as a root port.
