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

Page 48

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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

ICH

A

B

C

D

E

F

G

H

PCIE1_1

shared

–

–

–

–

–

–

Intel 82657V

–

–

shared

–

–

–

–

–

PCI_1

–

–

–

–

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

–

–

–

VIA VT2020 (Audio)

–

–

–

–

–

–

shared

–

IRQ assignments for this motherboard
IOH

24

25

26

27

28

29

30

31

PCIE16_1

shared

–

–

–

–

–

–

–

PCIE16_2

–

–

–

–

–

–

shared

–

Marvell 9128

–

–

–

–

shared

–

–

–

NEC USB 3.0

–

–

–

–

–

shared

–

–

2-24

Chapter 2: Hardware information

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