ASUS P5K64 WS 2-17
2.5.3 Interrupt assignments
Standard interrupt assignments
IRQ Priority Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 — Re-direct to IRQ#9
3 9 IRQ holder for PCI steering*
4 12 Communications Port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy Disk Controller
7 15 PCI device
8 3 System CMOS/Real Time Clock
9 4 IRQ holder for PCI steering*
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 10 PCI device
15 11 PCI device
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
A B C D E F G H
PCI 1394 — — — shared — — — —
PCI slot 1 shared — — — — — — —
PCI slot 2 — shared — — — — — —
LAN(8052) — — — shared — — — —
LAN(8001) — — shared — — — — —
Marvell 6121 — shared — — — — — —
PCIE x16 1 shared — — — — — — —
PCIE x16 2 shared — — — — — — —
PCIE x16 3 — shared — — — — — —
PCIE x16 4 — — shared — — — — —
USB controller 1 — — — — — — — shared
USB controller 2 — — — shared — — — —
USB controller 3 — — shared — — — — —
USB controller 4 shared — — — — — — —
USB controller 5 shared — — — — — — —
USB controller 6 — — — — — shared — —
EHCI 1 — — — — — — shared —
EHCI 2 — shared — — — — — —
SATA controller 1 — — shared — — — — —
SATA controller 2 — — — — — shared — —
Azalia — — — — — shared — —