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4.3.13 USB Configuration
Figure 4 3-13: USB Settings
Legacy USB Support
Enables 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.
XHCI Hand-off
This is a workaround for OS-es without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
USB Mass Storage Driver Support
Enable/disable USB mass storage driver support.
Port 60/64 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for the
complete USB keyboard legacy support for non-USB aware OS-es.
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' uses default value, for a root port it is 100 ms, for a hub port
the delay is taken from the hub descriptor.
©Vecow ECS-9200/9100 GTX1050 User Manual
BIOS AND DRIVER SETTING
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