AXIOMTEK SBC82621 - Interrupt Controller

SBC82621 Socket370 Half-size All-in-One CPU Card User’s Manual
3.8 Interrupt Controller
The SBC82621 is a fully PC compatible control board. It
consists of 16 ISA interrupt request lines and 4 of the 16 can
be either ISA or PCI. The mapping list of the 16 interrupt
request lines is shown below.
NMI Parity check error
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
IRQ8
Real time clock
IRQ9
Reserved
IRQ10
Reserved
IRQ11
USB
IRQ12
PS/2 Mouse
IRQ13
Math coprocessor
IRQ14
Primary IDE channel
IRQ15
Secondary IDE Channel
Hardware Description
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