Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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 Opening a COM port
 
 ■ The following OPEN statement is generalized enough to be accepted by most
   configurations:
 
         OPEN "COM1: 300,N,8,1,BIN,CD0,CS0,DS0,OP0,RS,TB2048,RB2048" AS #1
 
 ■ If you still receive an error, you may have a hardware problem.
 
 See: ◄OPEN COM Statement►