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Chapter 3
USB Controller
Select Enabled if your system contains a Universal Serial Bus (USB) controller
and you have USB peripherals. The settings are: Enabled, Disabled.
USB Keyboard/Mouse Support
Set to Enabled if your need to use an USB keyboard/mouse in the operating
system that does not support or have any USB driver installed, such as DOS
and SCO Unix.
AC'97 Audio
Auto allows the mainboard to detect whether an audio device is used. If the
device is detected, the onboard AC'97 (Audio Codec'97) controller will be
enabled; if not, it is disabled. Disable the controller if you want to use other
controller cards to connect an audio device. Settings: Auto and Disabled.
AC'97 Modem
Auto allows the mainboard to detect whether a modem is used. If a modem is
used, the onboard MC'97 (Modem Codec'97) controller will be enabled; if not,
it is disabled. Disable the controller if you want to use other controller cards to
connect to a modem. Settings: Auto and Disabled.
Onboard LAN Selection
The field determines whether the onboard LAN controller will be activated.
Setting options: Disabled, Enabled.
IDE HDD Block Mode
This allows your hard disk controller to use the fast block mode to transfer data
to and from the hard disk drive. Block mode is also called block transfer, multi-
ple commands or multiple sector read/write. Enabled enables IDE controller to
use block mode; Disabled allows the controller to use standard mode.
Floppy Controller
The item is used to enable or disable the onboard Floppy controller. Select
Enabled when you have installed a floppy disk drive and want to use it.
Serial Port A/B
The items specify the base I/O port address and IRQ for the onboard Serial Port
A/Serial Port B. Selecting Auto allows BIOS to automatically determine the
correct base I/O port address. Settings: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/
IRQ4, 2E8/IRQ3 and Auto.
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