3 interrupt assignments, Interrupt assignments -21, Standard interrupt assignments – Asus P6T Deluxe V2 User Manual

Page 47: Irq assignments for this motherboard

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2.5.3

Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for PCI devices.

IRQ

Priority Standard function

0

1

System Timer

1

2

Keyboard Controller

2

Redirect to IRQ#9

4

12

Communications Port (COM1)*

5

13

IRQ Holder for PCI Steering*

6

14

Floppy Disk Controller

7

15

Reserved

8

3

System CMOS/Real Time Clock

9

4

IRQ Holder for PCI Steering*

10

5

IRQ Holder for PCI Steering*

11

6

IRQ Holder for PCI Steering*

12

7

Reserved

13

8

Numeric Data Processor

14

9

Primary IDE Channel

ICH

A

B

C

D

E

F

G

H

PCIE16_3

shared

LAN1 (8056)

shared

LAN2 (8056)

shared

Marvell 6111

shared

PCI_1

shared

PCI_2

shared

USB controller 1

shared

USB controller 2

shared

USB controller 3

shared

USB controller 4

shared

USB controller 5

shared

USB controller 6

shared

USB 2.0 controller 1

shared

USB 2.0 controller 2

shared

SATA controller 1

shared

SATA controller 2

shared

Audio Azalia

shared

IRQ assignments for this motherboard

IOH

24

25

26

27

28

29

30

31

PCIE4_1

shared

PCIE16_

shared

PCIE16_2

shared

ASUS P6T Deluxe V2

2-21

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