I am a windows 2000 user. I found out my computer address assigned to LPT1 printer port is 3bc in hexadecimal(hexa). For LPT2 is 378 in hexa, for LPT3 is 278 in hexa & for LPT4 is 9f80 in hexa. How to change LPT1 address to 378 in hexa?