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3.3.9 USB Configuration
Legacy USB Support
Enable USB legacy support. AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only for
EFI applications.
Enabled /
Disabled / Auto
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership
change should be claimed by EHCI driver.
Enabled /
Disabled
Port 60/64 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for the
complete USB keyboard legacy support for non-USB aware OSes.
Enabled /
Disabled
USB transfer time-out
The time-out value for Control, Bulk and Interrupt transfers.
20 sec /
10 sec / 5 sec / 1 sec
Device reset time-out
USB mass storage device Start Unit command time-out.
20 sec /
10 sec / 30 sec / 40 sec
Содержание S7055
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