Avalue EBM-BYT - Manual (Page 52)

EBM-BYT User’s Manual
52 EBM-BYT User’s Manual
Other PCI devices
UEFI only
Legacy only[Default],
Determines OpROM execution policy for
devices other than Network, Storage, or
Video.
3.6.2.11 USB Configuration
The USB Configuration menu helps read USB information and configures USB settings.
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
Enabled[Default]
Disabled
This is a workaround for OSew without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
EHCI Hand-off
Enabled
Disabled[Default]
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
Enabled[Default]
Disabled
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