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ASUS P5WDG2 WS Professional/P5WDG2 WS PRO/WiFi-AP 2-21
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 11 IRQ holder for PCI steering*
4 12 Communications Port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)*
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 9 Primary IDE Channel
15 10 Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
A B C D E F G H
PCI slot 1 — — — — — shared — —
PCI slot 2 — — — — — — shared —
PCIX slot 1 — — shared — — — — —
PCIX slot 2 — — — shared — — — —
Onboard SATA shared — — — — — — —
Onboard 1394 — — — — — shared — —
Onboard LAN 1/2 shared — — — — shared — —
PCIE x16 1 shared — — — — — — —
PCIE x16 2 shared — — — — — — —
USB controller 1 shared — — — — — — —
USB controller 2 — shared — — — — — —
USB controller 3 — — shared — — — — —
USB controller 4 — — — shared — — — —
USB 2.0 controller shared — — — — — — —
Serial ATA — shared — — — — — shared
HD Audio shared — — — — — — —