Interrupt Request Lines (Irq) - Intel MB970 User Manual

Intel ivy bridge / pch atx motherboard
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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
MB970 User's Manual
Function
System Timer Output
Keyboard
Serial Port #2
Serial Port #1
Real Time Clock
Primary IDE
Secondary IDE
APPENDIX
67

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