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49 EPC-U2117 User Manual
Chapter 4
B
IOS Setup
 XHCI Hand-off
This is a workaround for OS without XHCI hand-off support. The XHCI owner-
ship change should be claimed by XHCI driver.
 USB Mass Storage Driver Support
Enable/Disable USB Mass Storage Driver Support.
 USB Transmit Time-Out
USB mass storage device transmit command time-out.
 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 Hub descriptor.
 Mass Storage Device
Mass storage device emulation type. 'AUTO' enumerates devices according to
their media format. Optical drives are emulated as 'CDROM', drives with no
media will be emulated according to a drive type.
4.2.2.11 Platform trusted technology