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ASUS M3A32-MVP Deluxe Series 2-21
2.5.3 Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or 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
IRQ assignments for this motherboard
A B C D E F G H
PCIE x16_1 shared shared shared shared – – – –
PCIE x16_2 shared shared shared shared – – – –
PCIE x16_3 shared shared shared shared – – – –
PCIE x16_4 shared shared shared shared – – – –
USB 1.0 controller 1 – – – shared – – – –
USB 1.0 controller 2 – – – shared – – – –
USB 1.0 controller 3 – – – shared – – – –
USB 1.0 controller 4 – – – shared – – – –
USB 2.0 controller – – – shared – – – –
HD audio shared – – – – – – –
Onboard SATA – – – – shared – –