Probing for serial ports opening serial port /dev/ttyS0...successful. Attempting PNP information retrieval initializing 1st PNP sequence setting up serial port Attempting to read PNP ID string That failed. Prod modem with AT command. initializing 1st PNP sequence setting up serial port Attempting to read PNP ID string That failed. Querying ATI9 info from modem setting up serial port Sending ATI9 command to modem ATI9 probe ->0 "" Attempting to read PNP ID string No PNP data received. looking for a legacy mouse setting up serial port Didn't see a legacy mouse. looking for a legacy modem setting up serial port Sending AT command to modem Didnt see a legacy modem, game over. Restoring original port attributes opening serial port /dev/ttyS1...successful. Attempting PNP information retrieval initializing 1st PNP sequence Device did not set DSR setting up serial port Attempting to read PNP ID string Got PNP data back, but failed to parse. Aborting Restoring original port attributes opening serial port /dev/ttyS2...successful. unable to retrieve port attributes...no port present? opening serial port /dev/ttyS3...successful. unable to retrieve port attributes...no port present?