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BOCA PRO16
4. Before Connecting Your PRO16SA
Communications (COM) Ports
• Your PRO16SA must communicate with your computer
through a serial port, also known as a COM port
• You must know the number of COM ports that already exist
so that you can configure your modem correctly
The COM ports in your machine are controlled by two
settings:
1. Address which tells your computer at what hexadecimal
location your COM port exists.
2. IRQ (known as the interrupt) which is a signal the computer
uses to communicate with the installed hardware.
Following are the typical configurations for COM ports:
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