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Hardware IRQ
IRQ 0
IRQ 1
IRQ 2
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
Table 6-2
System Interrupts
System Function
System timer
Keyboard
Unused
Serial port (COM 2)
Serial port (COM 1)
ESS sound chip
Diskette drive
Parallel port (LPT 1)
Real-time clock
Assigned to ACPI unless ACPI is disabled in F10 setup.
Unused
PCI interrupts
Mouse
Non-catastrophic errors/CPU error
IDE controller
CD-ROM
Specifications 6-3
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