Manual

NANO-HM650 EPIC SBC
Page 73
 USB2.0 Support [Enabled]
Use the USB2.0 Support option to enable or disable USB2.0 support on the system.

Disabled
USB2.0 support disabled

Enabled DEFAULT
USB2.0 support enabled
 Legacy USB2.0 Support [Enabled]
Use the Legacy USB2.0 Support BIOS option to enable USB mouse and USB keyboard
support. Normally if this option is not enabled, any attached USB mouse or USB keyboard
does 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 driver loaded onto the
system.

Disabled
Legacy USB support disabled

Enabled DEFAULT
Legacy USB support enabled

Auto
Legacy USB support disabled if no USB devices are
connected