Interrupt Assignments; Irq Assignments For This Motherboard - Asus P5Q Deluxe Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority Standard function
0 1
1 2
2 –
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
* These IRQs are usually available for PCI devices.

IRQ assignments for this motherboard

PCIE1_1
PCIE1_2
PCIE16_1
PCIE16_2
PCIE16_3
LAN (8056)
LAN (8001)
Marvell 6121
PCI_1
PCI_2
USB controller 1
USB controller 2
USB controller 3
USB controller 4
USB controller 5
USB controller 6
USB 2.0 controller 1
USB 2.0 controller 2
SATA controller 1
SATA controller 2
Audio Azalia
ASUS P5Q Deluxe
System Timer
Keyboard Controller
Redirect to IRQ#9
Communications Port (COM1)*
IRQ Holder for PCI Steering*
Floppy Disk Controller
Reserved
System CMOS/Real Time Clock
IRQ Holder for PCI Steering*
IRQ Holder for PCI Steering*
IRQ Holder for PCI Steering*
Reserved
Numeric Data Processor
Primary IDE Channel
A B C
– – shared
– – –
shared – –
shared – –
shared – –
– shared –
– – shared
shared – –
shared – –
– shared –
– – –
– – –
– – shared
shared – –
shared – –
– – –
– – –
– – shared
– – shared
– – –
– – –
D E F
– – –
shared – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
shared – –
– – –
– – –
– – –
– – shared
– – –
– – –
– – –
shared – –
– – –
G H
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– shared
– –
– –
– –
– –
– –
– shared
– –
– –
– –
shared –
2-15