Acrosser AR-B8170 - Manual (Page 19)

AR-B8170 User Manual
USB Functions
Set this value to allow the system to enable or disable the onboard USB ports. The Optimal and
Fail-Safe default setting is Enabled.
Option Description
Disabled This setting makes the onboard USB ports unavailable.
Enabled This setting allows the use of the USB PORTS. This is the default setting.
Legacy USB Support
Legacy USB Support refers to the USB mouse and USB keyboard support. Normally if this option
is not enabled, any attached USB mouse or USB keyboard will not become available until a USB
compatible operating system is fully booted with all USB drivers loaded. When this option is
enabled, any attached USB mouse or USB keyboard can control the system even when there is no
USB drivers loaded on the system. Set this value to enable or disable the Legacy USB Support.
The Optimal and Fail-Safe default setting is Disabled.
Option Description
Disabled
Set this value to prevent the use of any USB device in DOS or during system
boot. This is the default setting.
Enabled Set this value to allow the use of USB devices during boot and while using DOS.
Auto
This option auto detects USB Keyboards or Mice and if found, allows them to be
utilized during boot and while using DOS.
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