how instal ttys0

[oran31]

hi my frend
im new in forum
i want to install serial ttys0 to use gbox
how con i install it??????????
ubuntu 9.04

root@ubuntu:~# setserial -g /dev/ttyS*
/dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4
/dev/ttyS1, UART: 16550A, Port: 0x02f8, IRQ: 3
/dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4
/dev/ttyS3, UART: unknown, Port: 0x02e8, IRQ: 3

please help me

[oran31]

i'm waiting your help

[oran31]

i'm waiting your help