System interrupt specifications
Hardware IRQ | System function |
|
|
IRQ0 | System timer |
|
|
IRQ1 | Standard |
|
|
IRQ8 | System |
|
|
IRQ9 * | Microsoft |
|
|
IRQ12 | Synaptics PS/2 TouchPad |
|
|
IRQ13 | Numeric data processor |
|
|
IRQ14 | Primary IDE channel |
|
|
IRQ15 | Intel® 82801G (ICH7 Family) SMBus |
|
|
IRQ16 | Broadcom 802.11b/g WLAN no. 2 |
| Intel 82801G (ICH7 Family) PCI Express Root |
| Intel 82801G (ICH7 Family) USB Universal Host |
| Microsoft UAA Bus Driver for High Definition Audio |
| Mobile Intel 945 Express Chipset Family |
|
|
IRQ17 | Intel 82801G (ICH7 Family) PCI Express Root |
|
|
IRQ18 | Intel 82801G (ICH7 Family) USB Universal Host |
|
|
IRQ19 | Intel 82801G (ICH7 Family) USB Universal Host |
|
|
IRQ23 | Intel 82801G (ICH7 Family) USB Universal Host |
| Intel 82801G (ICH7 Family) USB2 Enhanced Host |
|
|
* Default configuration |
|
|
|
80 Chapter 6 Specifications