IEI Integration NANO-9452 v4.02 - Manual (Page 127)

NANO-9452 EPIC Motherboard
Page 109
 Serial Port4 Address [2E8]
Use the Serial Port4 IRQ option to select the interrupt address for serial port 4.

Disabled No base address is assigned to serial port 3

3E8 Serial port 4 I/O port address is 3E8

2E8 D EFAULT Serial port 4 I/O port address is 2E8

2E0 Serial port 4 I/O port address is 2E0
 Serial Port4 IRQ [10]
Use the Serial Port4 IRQ option to select the interrupt address for serial port 4.

3 D EFAULT Serial port 4 IRQ address is 3

9 Serial port 4 IRQ address is 9

10 D EFAULT Serial port 4 IRQ address is 10

11 Serial port 4 IRQ address is 11