Abit SI-2NS441 Series User Manual page 39

BIOS Setup
USB 2.0 Controller:
This option enables or disables the USB 2.0 controller.
USB Keyboard Support Via:
This item allows you to select [BIOS] for using USB keyboard in DOS environment,
or [OS] in OS environment.
USB Mouse Support Via:
This item allows you to select [BIOS] for using USB mouse in DOS environment, or
[OS] in OS environment.
SuperIO Device:
Click <Enter> key to enter its submenu:
Onboard Serial Port 1 / Onboard Serial Port 2:
This item determines which I/O addresses the onboard Serial Port controller will
access.
[Auto]: The system automatically select an I/O address for the onboard Serial Port.
[3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3]: Allows you to manually select an
I/O address for the onboard Serial Port.
[Disabled]: Disables the onboard Serial Port.
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User's Manual