Interrupt Request Lines (Irq) - American Megatrends MI802 User Manual

APPENDIX
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the
service required. The following table shows the IRQ used by the devices
on board.
Level
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
48 MI802 User's Manual
Function
System Timer Output
Keyboard
Interrupt Cascade
Serial Port #2
Serial Port #1
Reserved
Reserved
Reserved
Real Time Clock
Reserved
Serial Port #4
Serial Port #3
PS/2 Mouse
80287
Primary IDE