2.5.3Interrupt assignments
Standard interrupt assignments
IRQ | Priority | Standard function |
0 | 1 | System Timer |
1 | 2 | Keyboard Controller |
2 | - | Redirect to IRQ#9 |
5 | 13 | IRQ Holder for PCI Steering* |
6 | 14 | Floppy Disk Controller |
7 | 15 | Nvidia nForce PCI system |
8 | 3 | System CMOS/Real Time Clock |
9 | 4 | Nvidia nForce Networking Controller |
10 | 5 | IRQ Holder for PCI Steering* |
11 | 6 | IRQ Holder for PCI Steering* |
12 | 7 | PS/2 Compatible Mouse Port* |
13 | 8 | Numeric Data Processor |
14 | 9 | Primary IDE Channel |
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
| A | B | C | D | E | F | G | H |
PCI Slot 1 | shared | - | - | - | - | - | - | - |
PCI Slot 2 | - | shared | - | - | - | - | - | - |
PCI Slot 3 |
|
| shared |
|
|
|
|
|
Onboard 1394 | shared | - | - | - | - | - | - | - |
PCIE x 16 1 | shared | - | - | - | - | - | - | - |
PCIE x 16 2 | - | - | - | - | - | shared | - | - |
PCIE x 4 | - | - | - | - | - | - | shared | - |
ASUS Crosshair |