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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 –– –– ––

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