Arbor Technology ARTS-4770, User Manual

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BIOS
5.1.2.6. USB Configuration
Access this submenu to view the USB device(s) enabled in the system. It also configures
USB-related features.
The featured settings are:
Setting Description / Available Options
Legacy USB Support
Enables/disables legacy USB support including USB flash drives and
USB hard drives.
Options available are
Enabled
: To enable legacy USB support.
Disabled : To keep USB devices available only for EFI specification,
Auto : To disable legacy support if no USB devices are connected.
USB3.0 Support
Enables/disables USB 3.0 controller support.
Enabled is the default.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by XHCI driver.
The optional settings are: Enabled / Disabled .
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The
EHCI ownership change should be claimed by EHCI driver.
The optional settings are: Disabled / Enabled .
USB Mass Storage
Driver Support
Enables/disables USB Mass Storage Driver Support.
The optional settings are: Disabled / Enabled .
USB hardware delay
and time-out
This is a submenu to configure the features of USB hardware delay and
time-out. The featured settings are:
Setting Description
USB Transfer
time-out
Use this item to set the time-out value for control,
bulk, and interrupt transfers.
Options available are: 1 sec, 5 sec, 10
sec, 20 sec
Device reset
time-out
Use this item to set USB mass storage device
start unit command time-out.
Options available are: 10 sec, 20 sec, 30
sec, 40 sec
Device power-
up delay
Use this item to set 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.
Options available are:
Auto : Default
Manual : Select Manual you can set value
for the following sub-item: ‘Device Power-
up delay in seconds’, the delay range in
from 1 to 40 seconds, in one second
increments.