2.5.3Interrupt assignments
IRQ | Standard function |
0 | System timer |
1 | Standard |
4 | Communications Port (COM1)* |
6 | Standard floppy disk controller |
8 | System |
9 | Microsoft |
9 | NVIDIA nForce networking controller #3 |
9 | NVIDIA nForce networking controller #4 |
10 | NVIDIA nForce PCI system management |
11 | Mass storage controller |
12 | PS/2 compatible mouse port |
13 | Numeric data processor |
14 | Primary IDE channel |
19 | VIA OHCI compliant IEEE 1394 host controller |
20 | NVIDIA nForce 590/570/550 Serial ATA controller |
20 | NVIDIA network bus enumerator |
21 | NVIDIA network bus enumerator |
22 | Standard OpenHCD USB host controller |
22 | NVIDIA nForce 590/570/550 Serial ATA controller |
23 | Standard Enhanced PCI to USB host controller |
23 | NVIDIA nForce 590/570/550 Serial ATA controller |
IRQ assignments for this motherboard
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| A | B | C | D | E | F | G | H |
PCIEx16_1 | – | – | – | – | shared | – | – | – |
PCIEx16_2 | – | – | – | – | – | shared | – | – |
PCIEx16_3 | – | – | – | – | shared | – | – | – |
PCIEx1_1 | – | – | – | – | – | shared | – | – |
PCI Slot_1 | shared | – | – | – | – | – | – | – |
PCI Slot_2 | – | shared | – | – | – | – | – | – |
USB 1.1 | – | shared | – | – | – | – | – | – |
USB 2.0 | – | – | shared | – | – | – | – | – |
LAN_1 | – | shared | – | – | – | – | – | – |
LAN_2 | – | shared | – | – | – | – | – | – |
PATA | shared | – | – | – | – | – | – | – |
SATA_1 | – | shared | – | – | – | – | – | – |
SATA_2 | – | – | shared | – | – | – | – | – |
SATA_3 | – | – | – | used | – | – | – | – |
SATA_RAID | – | shared | – | – | – | – | – | – |
1394 | – | shared | – | – | – | – | – | – |
Audio | – | – | shared | – | – | – | – | – |
ASUS Striker |