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Appendix
Interrupts
Interrupt | Source Device |
IRQ 0 | System Timer |
IRQ 1 | Keyboard |
IRQ 2 | Cascade |
IRQ 3 | IrDA / 2F8h |
IRQ 4 | Serial Port 1 / 3F8h |
IRQ 5 | Audio |
IRQ 6 | Floppy Disk Controller (FDC) |
IRQ 7 | Parallel Port |
IRQ 8 | Real Time Clock (RTC) |
IRQ 9 | USB/System CardBus |
IRQ 10 | Reserved for PCMCIA card |
IRQ 11 | Reserved for PCMCIA card/MiniDock CardBus |
IRQ 12 | PS/2 Mouse |
IRQ 13 | |
IRQ 14 | Hard disk |
IRQ 15 |
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DMA Channels
Controller | Channel | Address | Function |
1 | 0 | 0087 | Audio(default)/IrDA(option) |
1 | 1 | 0083 | Audio(default)/ECP(option) |
|
|
| IrDA(option) |
1 | 2 | 0081 | Diskette |
1 | 3 | 0082 | Audio(option)/FIR IrDA(default) |
|
|
| /ECP(default) |
2 | 4 | Cascade | Cascade |
2 | 5 | 008B |
|
2 | 6 | 0089 | Spare |
2 | 7 | 008A |
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