The following table shows the
default system resource assigned for each IRQ:
| IRQ value | Assignment |
|---|---|
| 0 | Timer |
| 1 | Keyboard |
| 2 | Cascade |
| 3 | Not used |
| 4 | Infrared |
| 5 | Not used |
| 6 | Diskette |
| 7 | Parallel port |
| 8 | Real-time clock |
| 9 | Not used |
| 10 | Not used |
| 11 | PCI |
| 12 | Auxiliary device |
| 13 | Math co-processor |
| 14 | Primary IDE |
| 15 | Secondary IDE |