MSI MS-9803 User Manual page 47

Super IO Configuration
Serial Port 1 / 2 Address
Select an address and a corresponding interrupt for the serial port 1/2.
Parallel Port Address
This setting specifies the I/O port address and IRQ of the onboard parallel port.
Chassis Intrusion
The field enables or disables the feature of recording the chassis intrusion
status and issuing a warning message if the chassis is once opened. To clear
the warning message, set the field to [Reset]. The setting of the field will
automatically return to [Enabled] later.
BIOS Setup
3-9