Inova ICP-PII user manual Interrupt Request Interrupt Vector Function/Assignment

ConfigurationICP-PIII

Table 2.30 PC-AT Interrupt Definitions

Interrupt Request	Interrupt Vector	Function/Assignment
IRQ0	08h	Timer
IRQ1	09h	Keyboard
IRQ2	0Ah	Slave 8259
IRQ31)	0Bh	COM 2/4
IRQ41)	0Ch	COM 1/3
IRQ51)	0Dh	LPT2
IRQ6	0Eh	Floppy
IRQ71)	0Fh	LPT1
IRQ8	70h	Real-Time Clock
IRQ91)	71h	Redirected IRQ2
IRQ10	72h	USB
IRQ111)	73h	Ethernet/FireWire
IRQ12	74h	Reserved
IRQ13	75h	Co-processor
IRQ141)	76h	Hard Disk (IDE 0)
IRQ151)	77h	IDE 1

1)Entries may be reserved for ISA devices with the BIOS

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