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3 interrupt assignments, Standard interrupt assignments, Irq assignments for this motherboard – Asus Rampage III Extreme User Manual

Page 56

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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

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

PCIEX16/X8_1

shared

PCIEX8_2

shared

PCIEX16/X8_3

shared

PCIEX8_4

shared

PCIEX4_1

shared

USB 1.0#1

shared

USB 1.0#2

shared

USB 1.0#3

shared

USB 1.0#4

shared

USB 1.0#5

shared

USB 1.0#6

shared

USB 1.0#7

shared

USB 2.0#1

shared

USB 2.0#2

shared

SATA_1

shared

SATA_2

shared

MVL9128

shared

JMB36X

shared

HD Audio

shared

IEEE 1394

shared

PCI1

shared

2-26

Chapter 2: Hardware information