root@ttyp1[root]# setserial -a /dev/ttyS0
/dev/ttyS0, Line 0, UART: unknown, Port: 0x03f8, IRQ: 4
        Baud_base: 14400, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal skip_test

root@ttyp1[root]# setserial -a /dev/ttyS1
/dev/ttyS1, Line 1, UART: unknown, Port: 0x02f8, IRQ: 3
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal skip_test

root@ttyp1[root]# setserial -a /dev/ttyS2
/dev/ttyS2, Line 2, UART: unknown, Port: 0x03e8, IRQ: 4
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal skip_test

root@ttyp1[root]# setserial -a /dev/ttyS3
/dev/ttyS3, Line 3, UART: unknown, Port: 0x02e8, IRQ: 3
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal

root@ttyp1[root]# setserial -a /dev/ttyS4
/dev/ttyS4, Line 4, UART: unknown, Port: 0xffffffff, IRQ: 0
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal skip_test

root@ttyp1[root]# setserial -a /dev/ttyS5
/dev/ttyS5, Line 5, UART: unknown, Port: 0x01a0, IRQ: 2
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal Fourport

root@ttyp1[root]# setserial -a /dev/ttyS6
/dev/ttyS6, Line 6, UART: unknown, Port: 0x01a8, IRQ: 2
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal Fourport

root@ttyp1[root]# setserial -a /dev/ttyS7
/dev/ttyS7, Line 7, UART: unknown, Port: 0x01b0, IRQ: 2
        Baud_base: 115200, close_delay: 50, divisor: 0
        closing_wait: 3000
        Flags: spd_normal Fourport

root@ttyp1[root]# setserial -a /dev/ttyS8
/dev/ttyS8: No such file or directory