[ltp] ThinkPad T30 serial ports

[Bob Alexander]

Pino Giaquinto wrote:
> I have a ThinkPad T30 (Fedora Core 3)
> In system log I can see:
> 
> ...
> Serial: 8250/16550 driver $Revision: 1.90 $ 76 ports, IRQ sharing enabled
> ttyS0 at I/O 0x03f8 (irq = 4) is a NS16550A
> ttyS1 at I/O 0x02f8 (irq = 3) is a NS16550A
> ...
> 
> but using 'setserial /dev/ttyS0' and 'setserial /dev/ttyS1' I see:
> 
> /dev/ttyS0, UART: undefined, Port: 0x03f8, IRQ: 4
> /dev/ttyS1, UART: undefined, Port: 0x02f8, IRQ: 3
> 
> Why 'UART: undefined' ?
> 


Try


sudo cat /proc/tty/driver/serial

Bob