2.5.3Interrupt assignments
IRQ | Standard function |
0System timer
1Keyboard controller
6 | Floppy disk controller |
8System CMOS/Real Time Clock
9IRQ holder for PCI steering
10NVIDIA nForce PCI system management
11IRQ holder for PCI steering
12PS/2 compatible mouse port
13Numeric data processor
14Primary IDE channel
19VIA OHCI compliant IEEE 1394 host controller
20NVIDIA network bus enumerator
20NVIDIA nForce Serial ATA controller
21NVIDIA network bus enumerator
21Standard Enhanced PCI to USB host controller
22Microsoft UAA bus driver for High Definition audio
22nForce Serial ATA controller
23nForce Serial ATA controller
23 | Standard OpenHCD USB host controller |
IRQ assignments for this motherboard
| A | B | C | D | E | F | G | H |
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PCI slot 1 | shared | – | – | – | – | – | – | – |
| |
LAN (8056) | shared | – | – | – | – | – | – | – |
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SATA (368) | shared | – | – | – | – | – | – | – |
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LAN (8056) | – | shared | – | – | – | – | – | – |
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PCIe x16_1 | shared | – | – | – | – | – | – | – |
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PCIe x16_2 | shared | – | – | – | – | – | – | – |
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PCIe x16_3 | shared | – | – | – | – | – | – | – |
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PCIe x1_1 | – | shared | – | – | – | – | – | – |
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PCIe x1_2 | shared | – | – | – | – | – | – | – |
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USB controller 1 | – | – | – |
| – | – | – | shared |
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USB controller 2 | – | – | – | shared | – | – | – | – |
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USB controller 3 | – | – | shared | – | – | – | – | – |
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USB controller 4 | shared | – | – | – | – | – | – | – |
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USB controller 5 | – | – | – | – | – | shared | – | – |
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USB controller 6 | – | – | shared | – | – | – | – | – |
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USB 2.0 controller 1 | – | – | – | – | – | – | – | shared |
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USB 2.0 controller 2 | – | – | shared | – | – | – | – | – |
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SATA controller 1 | – | – | – | – | – | – | shared | – |
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SATA controller 2 | – | – | – | – | – | – | shared | – |
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ASUS |
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