Interrupt Controller - AXIOMTEK SBC84820 Series User Manual

SBC84820 Pentium
3.5

Interrupt Controller

The SBC84820 Series is a 100% PC compatible control board.
It consists of 16 interrupt request lines. The mapping list of the
16 interrupt request lines is shown on the following table.
NMI
IRQ0 System timer output
IRQ1 Keyboard
IRQ2 Interrupt rerouting from IRQ8 through IRQ15
IRQ3 Serial port #2
IRQ4 Serial port #1
IRQ5 Reserved
IRQ6 Floppy disk controller
IRQ7 Parallel port #1
Real time clock
IRQ8
Reserved
IRQ9
Serial port #3
IRQ10
IRQ11 Serial port #4
IRQ12 PS/2 Mouse
IRQ13 Math co-processor
IRQ14 Primary IDE channel
Hardware Description
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M All-in-One Capa Board User's Manual
Parity check error
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