Quality Components and High Grade Circuitry for Optimal Performance
Driver Installation CD Included for Your Convenience.
High Grade FIFO Chip for Transmission Purposes
Automatically selects IRQ and I/O address. No Hassle.
Compatible with most parallel port printers.
Interrupt request (IRQ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special program, an interrupt handler, to run instead.