IRQ 8 Real-Time Clock (Not on ISA Bus)
IRQ 9 IDE Controller (Secondary)
IRQ 10 IDE Controller (Secondary)
IRQ 11 PCI Interrupt *
IRQ 12 Mouse *
IRQ 13 Coprocessor (Not on ISA Bus)
IRQ 14 IDE Controller (Primary/Hard Drive) *
IRQ 15 IDE Controller (Secondary/CD-ROM Drive) *
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* Default Configuration
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Chapter 8.3 System DMA
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Hardware DMA System Function
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DMA 0 ISA Expansion
DMA 1 System Audio
DMA 2 Diskette Drive
DMA 3 ECP Parallel Port LPT1 (Default; Alternate = DMA 0)
DMA 4 DMA Controller Cascading (Not on ISA Bus)
DMA 5 ISA Expansion
DMA 6 ISA Expansion
DMA 7 ISA Expansion
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Chapter 8.4 System I/O Address
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I/O Address (Hex) System Function (Shipping Configuration)
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000 - 00F DMA Controller # 1
010 - 01F Unused
020 - 03F Interrupt Controller # 1
040 - 043 Counter/Timer
044 - 05F Unused