6.1.2System Interrupts
Hardware IRQ | System Function |
0 | Timer Interrupt |
1 | Keyboard |
2 | Interrupt Controller Cascade |
3 | Serial Port (COM B) |
4 | Serial Port (COM A) |
5 | Audio |
6 | Diskette Drive |
7 | Parallel Port (LPT 1) |
8 | |
9 | Available for PCI |
10 | Available for PCI |
11 | Available for PCI |
12 | Mouse |
13 | Coprocessor |
14 | Primary IDE Controller |
15 | Secondary IDE Controller |
6.1.3 | System DMA |
|
| Hardware DMA | System Function |
| 0 | Unused |
| 1 | Unused |
| 2 | Diskette Drive |
| 3 | ECP Parallel Port LPT1 (Default; Alternate = DMA 0) |
| 4 | DMA Controller Cascading |
| 5 | Unused |
| 6 | Unused |
| 7 | Unused |
