Advantech PCI-6872 User Manual

Advantech

PCI-6872 User’s Manual

112

D.4 Interrupt assignments

Table D.4: Interrupt assignments

Interrupt#

Interrupt source

IRQ 0

Interval timer

IRQ 1

Keyboard

IRQ 2

Interrupt from controller 2 (cascade)

IRQ 3

COM2

IRQ 4

COM1

IRQ 5

Unused

IRQ 6

FDD

IRQ 7

LPT1

IRQ 8

RTC

IRQ 9

Reserved (audio)

IRQ 10

Unused

IRQ 11

Reserved for watchdog timer

IRQ 12

PS/2 mouse

IRQ 13

INT from co-processor

IRQ 14

Primary IDE

IRQ 15

Secondary IDE for CFC

* Ethernet interface IRQ select: 9, 11, 15

* PNP audio IRQ select: 9, 11, 15

* PNP USB IRQ select: 9, 11, 15

* PNP ACPI IRQ select: 9, 11, 15