Interrupt Map
IRQ PRIORITY STANDARD FUNCTION
0 N/A System Timer
1 N/A Keyboard Controller
2 N/A Programmable Interrupt
3 8 Communications Port (COM2)
4 9 Communications Port (COM1)
5 6 Optional LPT2
6 11 Floppy Disk Controller
7 7 Printer Port (LPT1)
8 N/A System CMOS/Real Time Clock
9 10 ACPI Mode when enabled
10 3 Available
11 2 Available
12 4 PS/2 Compatible Mouse Port
13 N/A Numeric Data Processor
14 5 Prim. SATA Channel
15 1 Sec. SATA Channel
16-23 APIC only
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