Figure 3.9 Usb Configuration Setup Screen - Advantech DS-270 User Manual

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USB Configuration
USB Configuration Parameters
Legacy USB Support
Enable/disable legacy USB support. The AUTO option disables legacy sup-
port if no USB devices are connected. The DISABLE option renders USB
devices only available for EFI applications.
XHCI Hand-Off
This is a workaround for OS without XHCI hand-off support. The XHCI own-
ership change should be claimed by the XHCI driver.
EHCI Hand-Off
This is a workaround for OS without EHCI hand-off support. The EHCI own-
ership change should be claimed by the EHCI driver.
USB Mass Storage Driver Support
Enable/disable USB mass storage driver support
USB Transfer Timeout
Allows users to specify the timeout value for Control, Bulk, and Interrupt
transfers. The value options available are 1, 5, 10, and 20 seconds.
Device Reset Timeout
Allows users to specify the USB mass storage device Start Unit Command
timeout value. The value options available are 10, 20, 30, and 40 seconds.
Device Power-Up Delay
Allows auto/manual configuration of the USB mass storage device Start Unit
Command timeout value.

Figure 3.9 USB Configuration setup screen

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DS-270 User Manual

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