Avalue SEAX-H81 - Manual (Page 33)

SEAX-H81 User ’s Manual
SEAX-H81 User’s Manual 33
3.6.2.2.1 USB Configuration
Item Options Description
Legacy USB Support
Enabled[Default]
Disabled
Auto
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
Disabled
Enabled[Default]
This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by CHCI driver.
EHCI Hand-off
Disabled[Default]
Enabled
This is a workaround for OSes without EHCI
hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
USB Mass Storage Driver
Support
Disabled
Enabled[Default]
Enable/Disable USB Mass Storage Driver Support.
USB transfer time-out
1 sec
5 sec
10 sec
20 sec[Default]
The time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10 sec
20 sec[Default]
30 sec
40 sec
USB mass storage device Start Unit command
time-out.
Device power-up delay
Auto[Default]
Manual
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.