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ASUS P5KPL-CM 1-23
1.8.3 Interrupt assignments
Standard interrupt assignments
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
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
A B C D E F G H
PCI1 — — — shared — — — —
PCI2 shared — — — — — — —
PCIEX16_1 shared — — — — — — —
PCIEX1_1 shared — — — — — — —
Onboard USB controller 1 — — — — — — — shared
Onboard USB controller 2 — — — shared — — — —
Onboard USB controller 3 — — shared — — — — —
Onboard USB controller 4 shared — — — — — — —
Onboard USB 2.0 controller — — — — — — — shared
Onboard HD audio shared — — — — — — —
Onboard LAN — Used — — — — — —