IEI Technology IMBA-X9654, User Manual, Page: 172 / 266

IMBA-X9654 ATX Motherboard
Page 154
Disabled USB 2.0 controller disabled
Enabled D
EFAULT
USB 2.0 controller enabled
Legacy USB Support [Enabled]
Use the Legacy USB 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 D
EFAULT
Legacy USB support enabled
Auto Legacy USB support disabled if no USB devices are
connected
Port 64/60 Emulation [Disabled]
The Port 64/60 Emulation Mode BIOS option enables or disables the “Port 60h/64h”
trapping option. Port 60h/64h trapping allows the BIOS to provide full PS/2 based legacy
support for the USB keyboard and mouse. This option is useful for Microsoft Windows NT
Operating System and for multi-language keyboards. Also this option provides the PS/2
functionalities like keyboard lock, password setting, scan code selection etc to USB
keyboards.
Disabled Port 60h/64h trapping option enabled
Enabled
(Default) Port 60h/64h trapping option disabled
USB2.0 Controller Mode [HiSpeed]
Use the USB2.0 Controller Mode option to set the speed of the USB2.0 controller.