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Asus P5Q-EM DO User Manual

Page 35

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ASUS P5Q-EM DO

1-21

1.8.3

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

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

14

Floppy disk controller

7

15

IRQ holder for PCI steering*

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

IRQ holder for PCI steering*

15

10

IRQ holder for PCI steering*

P5Q-EM DO.indb 21

12/9/08 12:34:01 PM