Intel MB820 - Manual (Page 44)

BIOS SETUP
40 MB820 User’s Manual
On-Chip Serial ATA
The default setting of Auto allows the Serial ATA drive to be enabled,
when the system detects one.
USB Controller
The options for this field are Enabled and Disabled. By default, this field
is set to Enabled.
USB 2.0 Controller
The options for this field are Enabled and Disabled. By default, this field
is set to Disabled. In order to use USB 2.0, necessary OS drivers must be
installed first.
USB Keyboard Support
The options for this field are Enabled and Disabled. By default, this field
is set to Disabled.
USB Mouse Support
The options for this field are Enabled and Disabled. By default, this field
is set to Disabled.
AC97 Audio
The default setting of the AC97 Audio is Auto.
LAN Controller
The default setting of the LAN controller is Enabled.
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC)
installed on the motherboard and you wish to use it. If you install an
add-in FDC or the system has no floppy drive, select Disabled in this
field. This option allows you to select the onboard FDD port.
Onboard Serial/Parallel Port
These fields allow you to select the onboard serial and parallel ports and
their addresses. The default values for these ports are:
Serial Port 1 3F8/IRQ4
Serial Port 2 2F8/IRQ3
Serial Port 3 3E8H/IRQ5
Serial Port 4 Disabled
Parallel Port 378H/IRQ7