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ASUS P5Q-E 2-19
2.5.3 Interrupt assignments
* These IRQs are usually available for PCI devices.
IRQ Priority Standard function
0 1 System Timer
1 2 Keyboard Controller
2 – Redirect to IRQ#9
4 12 Communications Port (COM1)*
5 13 IRQ Holder for PCI Steering*
6 14 Floppy Disk Controller
7 15 Reserved
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 Reserved
13 8 Numeric Data Processor
14 9 Primary IDE Channel
Standard interrupt assignments
IRQ assignments for this motherboard
A B C D E F G H
PCIE1_1 – – shared – – – – –
PCIE1_2 – – – shared – – – –
PCIE16_1 shared – – – – – – –
PCIE16_2 shared – – – – – – –
PCIE16_3 shared – – – – – – –
LAN (8056) – shared – – – – – –
LAN (8001) – – shared – – – – –
Marvell 6121 shared – – – – – – –
PCI_1 shared – – – – – – –
PCI_2 – 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 – –
USB 2.0 controller 1 – – – – – – – shared
USB 2.0 controller 2 – – shared – – – – –
SATA controller 1 – – shared – – – – –
SATA controller 2 – – – shared – – – –
Audio Azalia – – – – – – shared –