Interrupt assignments

IRQ

Standard function

0Standard timer

1 Keyboard

2High precision event timer

3 IRQ holder for PCI steering

4COM1

5IRQ holder for PCI steering

6Floppy controller

7Printer port

8High precision event timer

9AMD ACPI-Compliant system

10 IRQ holder for PCI steering

11 IRQ holder for PCI steering

12 Microsoft PS/2 mouse

13 Numeric data processor

14 Primary IDE

15 Slave IDE

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

1-20

Chapter 1: Product introduction