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EMX-VX11P User's Manual
3.6.2.6 USB Configuration
Item
Legacy USB Support
USB3.0 Support
XHCI Hand-off
EHCI Hand-off
USB Mass Storage Driver
Support
USB transfer time-out
Device reset time-out
Device power-up delay
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46 EMX-VX11P User's Manual
Options
Enabled[Default],
Disabled
Auto
Enabled[Default],
Disabled
Enabled[Default],
Disabled
Disabled[Default],
Enabled
Disabled
Enabled[Default],
1 sec
5 sec
10 sec
20 sec[Default],
1 sec
5 sec
10 sec
20 sec[Default],
Auto[Default],
Manual
Auto[Default],
Floppy
Description
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.
Enable/Disable USB3.0 (XHCI) Controller support.
This is a workaround for OSes without XHCI hand-off
support. The XHCI ownership change should be
claimed by XHCI driver.
This is a workaround for OSes without EHCI hand-off
support. The EHCI ownership change should be
claimed by EHCI driver.
Enable/Disable USB Mass Storage Driver Support.
The time-out value for Control, Bulk, and Interrupt
transfers.
USB mass storage device Start Unit command time-out.
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 100ms, for a Hub port the
delay is taken from Hub descriptor.
Mass storage device emulation type. 'Auto' enumerates
devices according to their media format. Optical drives
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