Port address for the processors

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 bala -
Hello,
hi..........this is bala.........i am going to do a mini project on microprocessor......in that i am going to connect two systems using rs-232 cable......so i need the port address for the microprocessor.....i need in help to find the port address for the system.........plz help me to find port address......

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Hi there,

Normally rs 232 uses com port 3 or 4 or even 5.Please give more information.

Thanks
hi.........this s bala......sorry now only i started studying about microprocessors.......and i dont any thing about rs 232 com port so plz send me the detailed report............