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Chapter 7. Troubleshooting I/O Ports and... > Troubleshooting Serial and Parallel ...

Troubleshooting Serial and Parallel Ports

Serial and parallel ports aren't as popular as they once were; most new peripherals use USB ports instead. However, if you still use these ports, you don't need a lecture about the virtues of USB ports; you want help!

Both serial and parallel ports are often called legacy ports. These ports are similar in two ways:


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