IRQ_COUNT 46 kernel/arch/amd64/include/arch/interrupt.h #define IRQ_COUNT 16 IRQ_COUNT 46 kernel/arch/ia32/include/arch/interrupt.h #define IRQ_COUNT 16 IRQ_COUNT 59 kernel/arch/ppc32/src/ppc32.c #define IRQ_COUNT 64HelenOS homepage, sources at GitHub