Your question is a little confusing however RS232 is not found much on modern computers. If you have a desktop you should be able to buy an add-on card. A laptop will be more difficult usually meaning you have to buy a whole docking station or it just may not be possible with your model.
A .bin file means that the file is a binary file but how it is used is dependent on the Operating System and/or the Application and you don't really five enough (if fact you don't give any) information about either.
t
February 2008