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3 interrupt assignments, Interrupt assignments -19, Chapter 2 – Asus M4N82 Deluxe User Manual

Page 39

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ASUS M4N82 Deluxe

2-19

Chapter 2

2.5.3

Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for ISA or 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

Reserved

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

IRQ assignments for this motherboard

A

B

C

D

E

F

G

H

PCIE x16_1

shared

PCIE x16_2

shared

PCIE x16_3

shared

USB 1.0 controller 1

shared

USB 1.0 controller 2

shared

USB 1.0 controller 3

shared

USB 1.0 controller 4

shared

USB 2.0 controller

shared

HD audio

shared

Onboard SATA

shared