3f8 typically designates the base I/O address for the first serial port (COM1) on IBM PC compatible systems. This hexadecimal value is foundational for hardware communication, enabling early data exchange with peripherals.
3f8 typically designates the base I/O address for the first serial port (COM1) on IBM PC compatible systems. This hexadecimal value is foundational for hardware communication, enabling early data exchange with peripherals.