Interrupt Controller - AXIOMTEK SBC84820 Series User Manual

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SBC84820 Pentium M All-In-One Capa Board User's Manual
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 as the following table.
IRQ
IRQ0 System timer
IRQ1 Keyboard
IRQ2 Interrupt rerouting from IRQ8 through IRQ15
IRQ3 Communications Port (COM2)
IRQ4 Communications Port (COM1)
IRQ5 PCI Device Share
IRQ6 Floppy Disk Controller
IRQ7 Printer port #1
IRQ8 System CMOS/Real time clock
IRQ9 ACPI Controller
IRQ10 Communications Port (COM3)
IRQ11 Communications Port (COM4)
IRQ12 PS/2 Compatible Mouse
IRQ13 Numeric data processor
IRQ14 Primary IDE Channel
IRQ15 Secondary IDE Channel
34
Parity Check Error
Hardware Description