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6-2 Specifications
6.1.2 System 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 Real-Time Clock
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