IRQ8 Real-Time Clock (MSIO)
IRQ9 Available for use
IRQ10 Available for use
IRQ11 Available for use
IRQ12 Mouse
IRQ13 Floating point error input
IRQ14 Hard Drive
IRQ15
IRQA EPP parallel port
===========================================================================
System DMA
Table 7-10
===========================================================================
Hardware DMA System Function
===========================================================================
DMA 0/A (mappable) Not assigned
DMA 1/B PCMCIA controller
DMA 2 Diskette drive controller
DMA 3 EPP parallel port
DMA 4 Not assigned
DMA 5 Not assigned
DMA 6 Not assigned
DMA 7 Not assigned
---------------------------------------------------------------------------
NOTE: PC Card controller can use DMA 1, 2, or 5.
===========================================================================
System I/O Address
Table 7-11
===========================================================================
I/O Address (Hex) System Function (Shipping Configuration)
===========================================================================
000 - 00F Master DMA Controller # 1
010 - 011 Unused
012 - 01F Unused
020 - 021 Peripheral Interrupt Controller # 1
022 - 024 Opti Chipset Configuration Registers
025 - 03F Unused
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