What does a network adaptor driver want when it probes the hardware? For what? What interrupts may lead a system to execute a network adaptor driver? Answer:
1. IRQ number: to bind an interrupt handler to a hardware number.
2. I/O port numbers: to map hardware registers to a region of I/O port numbers used to read status and write commands.
3. Hardware interrupts due to frame arrivals, transmission completion, or abnormal transmissions.
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