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3 interrupt assignments, Interrupt assignments -19, Chapter 2 – Asus P5Q TURBO User Manual

Page 37: Standard interrupt assignments, Irq assignments for this motherboard

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ASUS P5Q Turbo

2-19

Chapter 2

2.5.3

Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

A

B

C

D

E

F

G

H

PCI slot 1

shared

PCI slot 2

shared

LAN (L1E)

shared

SATA (5723)

shared

PCIe x16_1

shared

PCIe x1_1

shared

PCIe x1_2

shared

PCIe x1_3

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

IEEE 1394

shared

IRQ

Priority

Standard function

0

1

System timer

1

2

Keyboard controller

2

Re-direct to IRQ#9

3

11

IRQ holder for PCI steering*

4

12

Communications port (COM1)*

5

13

IRQ holder for PCI steering*

6

Reserved

7

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

PS/2 compatible mouse port*

13

8

Numeric data processor

14

9

SATA Primary IDE (legacy mode)

15

10

SATA Secondary IDE (legacy mode)