Chapter 4: BIOS
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XHCI Hand-Off
This item is for operating systems that do not support eXtensible Host Controller Interface
(XHCI) hand-off. When this item is enabled, XHCI ownership change will be claimed by the
XHCI driver. The settings are Enabled and Disabled.
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support which will provide complete USB
keyboard legacy support for the operating system that does not support Legacy USB devices.
The options are Disabled and Enabled.
Super IO Conguration
The following Super IO information will be displayed:
• Super IO Chip
Serial Port 1
This submenu allows the user the congure settings of Serial Port 1.
Serial Port 1
Select Enabled to enable the selected onboard serial port. The options are Disabled and
Enabled.
Device Settings
This item displays the current status of a serial part specied by the user.
Serial Port 1 Change Settings
This feature species the base I/O port address and the Interrupt Request address of a
serial port specied by the user. Select Auto to allow the BIOS to automatically assign the
base I/O and IRQ address.
The options for Serial Port 1 are Auto, (IO=3F8h; IRQ=4), (IO=3F8h; IRQ=3, 4, 5, 6, 7, 9,
10, 11, 12), (IO=2F8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12), (IO=3E8h; IRQ=3, 4, 5, 6, 7, 9, 10,
11, 12), and (IO=2E8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12).
Serial Port 2
This submenu allows the user the congure settings of Serial Port 2.
Serial Port 2
Select Enabled to enable the selected onboard serial port. The options are Disabled and
Enabled.
Device Settings
This item displays the current status of a serial part specied by the user.