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Appendix
120
Interrupts
Interrupt Source Device
IRQ 0
IRQ 1
IRQ 2
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
System Timer
Keyboard
Cascade
IrDA / 2F8h
Serial Port 1 / 3F8h
Audio
Floppy Disk Controller (FDC)
Parallel Port
Real Time Clock (RTC)
USB/System CardBus
Reserved for PCMCIA card
Reserved for PCMCIA card/MiniDock CardBus
PS/2 Mouse
Co-processor
Hard disk
CD-ROM
DMA Channels
Controller Channel Address Function
1
1
1
1
2
2
2
2
0
1
2
3
4
5
6
7
0087
0083
0081
0082
Cascade
008B
0089
008A
Audio(default)/IrDA(option)
Audio(default)/ECP(option)
IrDA(option)
Diskette
Audio(option)/FIR IrDA(default)
/ECP(default)
Cascade
Spare