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Asus K8V-MX User Manual

Page 25

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ASUS K8V-MX Motherboard

1-15

Standard Interrupt Assignments

IRQ assignments for this motherboard

When using PCI cards on shared slots, ensure that the drivers support “

Share IRQ” or that the cards do not need IRQ assignments; otherwise,

conflicts will arise between the two PCI groups, making the system unstable

and the card inoperable.

*

These IRQs are usually available for ISA or PCI devices.

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

N/A

Programmable Interrupt

3

11

Communications Port (COM2)

4*

12

Communications Port (COM1)

5*

13

Sound Card (sometimes LPT2)

6

14

Floppy Disk Controller

7*

15

Printer Port (LPT1)

8

3

System CMOS/Real Time Clock

9*

4

ACPI Mode when used

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

Primary IDE Channel

15*

10

Secondary IDE Channel

INT A

INT B

INT C

INT D

PCI slot 1

shared

––

––

––

PCI slot 2

––

shared

––

––

PCI slot 3

––

––

shared

––

AGP slot

shared

––

––

––