Interrupt Controller - AXIOMTEK SBC82400 User Manual

SBC82400 ISA Half-Size CPU Board Series User's Manual
3.6

Interrupt Controller

The SBC82400 is a fully PC compatible control board.
consists of 16 ISA interrupt request lines and 4 of the 16 can
be either ISA or PCI.
request lines is shown below:
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
IRQ8
Real time clock
IRQ9 Ethernet
IRQ10 User available
IRQ11
User available
IRQ12
PS/2 Mouse
IRQ13
Math coprocessor
IRQ14 Primary IDE channel
IRQ15 Secondary IDE Channel
26
The mapping list of the 16 interrupt
Parity check error
Hardware Description
It