i used dmesg .. amongst the messages are Serial driver version 4.27 with no serial options enabled ttyS00 at 0x03f8 (irq = 4) is a 16550A then again under the Intel PCIC probe is the message ttyS02 at 0x03e8 (irq = 3) is a 16550A ....... Registered device ppp0 then when i run wvdial i get the message ---> Cannot open /dev/ttyS1: Input/output error any clues on this one anyone??