User`s manual

81
3
BIOS Setup
Onboard Serial Port 1, Onboard Serial Port 2, Onboard Serial Port
3 and Onboard Serial Port 4
3F8, 2F8, 3E8, 2E8 Allows you to manually select an I/O address
for the serial port.
Disabled Disables the serial port.
Serial Port 1 Use IRQ to Serial Port 4 Use IRQ
These fields are used to select an IRQ for the onboard serial port 1,
2, 3 and 4.