Interrupt Request Lines (Irq) - Kontron Mungo540 User Manual

B. Interrupt Request Lines (IRQ)
There are a total of 15 IRQ lines available on the Mungo540.
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on the
Mungo540.
Level
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
84
Function
System Timer Output
Keyboard
Interrupt Cascade
Serial Port #2
Serial Port #1
Parallel Port #2
Floppy Disk Controller
Parallel Port #1
Real Time Clock
Software Redirected to Int 0Ah
Reserved
Reserved
Reserved
80287
Primary IDE
Secondary IDE
Mungo540 User's Manual