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MBD301
User’s Manual
BIOS Setting
Description
Legacy USB Support
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
This is a workaround for OSes without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
USB Mass Storage
Driver Support
Enable / Disable USB mass storage driver
support.
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.
USB Transfer
time-out
The time-out value for Control, Bulk, and Interrupt
transfers. (Options: 1 / 5 / 10 / 20 sec)
Device reset time-out
Seconds of delaying execution of start unit
command to USB mass storage device.
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
100ms; for a Hub port, the delay is taken from
Hub descriptor.
Mass Storage
Devices
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.
Summary of Contents for MBD301
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Page 49: ...BIOS Setup MBD301 User s Manual 41 4 4 4 6 CPU Configuration 4 4 7 USB Configuration ...