B&R PROVIT 4000, User Manual, Page: 72 / 100

7 2
6.1.3 INTERRUPTS
1) The interrupt may not be used by any of the four ISA bus slots.
2) Default setting. If the interrupt is free, it can be used by one of the four ISA bus slots.
IRQ No. Controller with Rev. < 10.xx Controller with Rev.
≥≥≥≥≥
10.xx
IRQ0 System Timer System Timer
IRQ1 Keyboard Keyboard
IRQ2 Daisy Chained with Interrupt Controller 2 Daisy Chained with Interrupt Controller 2
IRQ3 COM2 or COM4 1) COM2, COM4 or free 2)
IRQ4 COM1 or COM3 1) COM1, COM3 or free 2)
IRQ5 reserved B&R 1) (possibly COM3 or COM4) free
IRQ6 Disk Drive (FDD) Disk Drive (FDD)
IRQ7 LPT1
1)
(possibly COM3 or COM4) LPT1 or free
IRQ8 Real Time Clock Real Time Clock
IRQ9 free, IRQ2 for 16 Bit Computers free, IRQ2 for 16 Bit Computers
IRQ10 CAN (default) CAN or free 2)
IRQ11 free (possibly CAN) COM3, COM1 or free 2)
IRQ12 free (possibly CAN) COM4, COM2 or free 2)
IRQ13 Math Co-processor (FPU) Math Co-processor (FPU)
IRQ14 Hard Disk (HDD) Hard Disk (HDD)
IRQ15 free (possibly CAN) free