Feature: 1) USB specificatin revision 1.1&2.0 compliant 2)Support RS232 serial interface(DB25 or DB9) 3)Support over 1Mbps date transfer rate 4)Support remote wake-up and power management 5)Support Windows98/SE/ME/2000/XP 6)Solution:two chips,the compatibility is better. Origin: Made In China plz give me driver of this cable