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ASUS P5N72-T Premium 2-21
2.5.3 Interrupt assignments
IRQ assignments for this motherboard
A B C D E F G H
PCI slot 1 shared – – – – – – –
LAN (8056) shared – – – – – – –
SATA (368) shared – – – – – – –
LAN (8056) – shared – – – – – –
PCIe x16_1 shared – – – – – – –
PCIe x16_2 shared – – – – – – –
PCIe x16_3 shared – – – – – – –
PCIe x1_1 – shared – – – – – –
PCIe x1_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 –
IRQ Standard function
0 System timer
1 Keyboard controller
6 Floppy disk controller
8 System CMOS/Real Time Clock
9 IRQ holder for PCI steering
10 NVIDIA nForce PCI system management
11 IRQ holder for PCI steering
12 PS/2 compatible mouse port
13 Numeric data processor
14 Primary IDE channel
19 VIA OHCI compliant IEEE 1394 host controller
20 NVIDIA network bus enumerator
20 NVIDIA nForce Serial ATA controller
21 NVIDIA network bus enumerator
21 Standard Enhanced PCI to USB host controller
22
22 nForce Serial ATA controller
23 nForce Serial ATA controller
23 Standard OpenHCD USB host controller