Asus P5QL-CM - Manual (Page 36)

1-24 Chapter 1: Product introduction
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 10 Communications Port (COM1)
4 11 IRQ holder for PCI steering*
5 12 Standard Floppy Disk Controller
6 13 Printer Port (LPT1)
7 3 System CMOS/Real Time Clock
8 4 IRQ holder for PCI steering*
9 5 IRQ holder for PCI steering*
10 6 IRQ holder for PCI steering*
11 7 PS/2 Compatible Mouse Port
12 8 Numeric Data Processor
13 9 Primary IDE Channel