Interrupt Request Lines (Irq) - American Megatrends MB980 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
IRQ3
IRQ4
IRQ8
IRQ14
IRQ15
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Function
System Timer Output
Keyboard
Serial Port #2
Serial Port #1
Real Time Clock
Primary IDE
Secondary IDE
MB980 User's Manual