ASUS P5W DH Deluxe 2-23
2.5.3 Interrupt assignments
* 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 –
PCI slot 3 – – – – – – – shared
Onboard IDE (JMicron
®
) – shared – – – – – –
Onboard 1394 – – – – – shared – –
Onboard LAN1 – – – shared – – – –
Onboard LAN2 shared – – – – – – –
PCIE x16 1 shared – – – – – – –
PCIE x16 2 shared – – – – – – –
PCIE x1 shared – – – – – – –
PCIE x1 – – 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
IDE – – – – – – shared –
HD Audio – – – shared – – – –
IRQ Priority Standard function
0 1 System Timer
1 2
Keyboard Controller
2 – Redirect 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 6 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
