Intel EFI System Management Mode
Experiment 3
Al2ed chapter15
Microprocessor Systems CCE2002. 8259 – Priority Interrupt Controller.
8086 has 2 interrupt inputs 1. NMI 2. INTR For application where we have interrupts from multiple sources, use an external device called a Priority Interrupt.
Interrupts Useful in dealing with: Random processes; I/O devices with low data transfer rates. The interface: INTR (interrupt request) and NMI (Non.
UNIT III I/O INTERFACING Reference : Chapter 9 MicroComputer Systems,Cheng Liu,Glenn Gibson.
Interrupts
