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98 PCM-5820 Series User's Manual
B.3 Interrupt assignments
Table B-3: Interrupt assignments
Interrupt# Interrupt source
NMI Parity error detected
IRQ 0 Interval timer
IRQ 1 Keyboard
IRQ 2 Interrupt from controller 2 (cascade)
IRQ 8 Real-time clock
IRQ 9 Reserve
IRQ 10 Available
IRQ 11 Reserved for watchdog timer
IRQ 12 PS/2 mouse
IRQ 13 INT from co-processor
IRQ 14 Preliminary IDE
IRQ 15 Secondary IDE for CompactFlash
IRQ 3 Serial communication port 2
IRQ 4 Serial communication port 1
IRQ 5 Audio*
IRQ 6 Diskette controller (FDC)
IRQ 7 Parallel port 1 (print port)
* Audio default setting: IRQ5
USB and Ethernet IRQ is automatically set by the system