IEI Integration NANO-9453 v1.12 - Manual (Page 140)

NANO-9453 EPIC Motherboard
Page 122
6.3.3 Super IO Configuration
Use the Super IO Configuration menu (BIOS Menu 6) to set or change the
configurations for the FDD controllers, parallel ports and serial ports.
BIOS Menu 6: Super IO Configuration
Serial Port1 Address [3F8]
Use the Serial Port1 Address option to select the Serial Port 1 base address.
Disabled No base address is assigned to Serial Port 1
3F8 D EFAULT Serial Port 1 I/O port address is 3F8
3E8 Serial Port 1 I/O port address is 3E8
2E8 Serial Port 1 I/O port address is 2E8