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Interrupt Assignments - Asus MAXIMUS EXTREME User Manual

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2.5.3

Interrupt assignments

Standard interrupt assignments

IRQ

Priority

0

1

2

—

3

11

4

12

5

13

6

14

7

15

8

9

10

11

12

13

14

15

10

* These IRQs are usually available for PCI devices.

IRQ assignments for this motherboard

PCI slot 1

PCI slot 2

LAN(8001)

SATA(363)

LAN(8056)

PCIE x16 1

PCIE x16 2

PCIE x1 1

PCIE x1 2

PCIE x1 3

USB controller 1

USB controller 2

USB controller 3

USB controller 4

USB controller 5

USB controller 6

USB 2.0 controller 1

USB 2.0 controller 2

SATA controller 1

SATA controller 2

ASUS Maximus Extreme

Standard Function

1

System Timer

2

Keyboard Controller

Re-direct to IRQ#9

IRQ holder for PCI steering*

Communications Port (COM1)*

IRQ holder for PCI steering*

Floppy Disk Controller

Printer Port (LPT1)*

3

System CMOS/Real Time Clock

4

IRQ holder for PCI steering*

5

IRQ holder for PCI steering*

6

IRQ holder for PCI steering*

7

PS/2 Compatible Mouse Port*

8

Numeric Data Processor

9

Primary IDE Channel

Secondary IDE Channel

A

B

shared

—

—

shared

shared

—

shared

—

—

shared

shared

—

shared

—

—

shared

shared

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

—

—

—

—

—

—

C

D

E

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

shared —

shared

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

shared

—

—

—

—

—

—

—

—

F

G

H

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

shared

—

—

—

—

shared

—

—

shared

—

2-21

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