Specifications

Interrupts
EPC-100 Hardware Reference B-1
Appendix B - Interrupts
Interrupt Source
IRQ0 Timer
IRQ1 Keyboard Controller
IRQ2 Cascade Interrupt Input
IRQ3 COM B, COM A, or Unassigned
IRQ4 COM A, COM B, or Unassigned
IRQ5 Unassigned
IRQ6 Floppy Disk or Unassigned
IRQ7 LPT1: or Unassigned
IRQ8 Real Time Clock
IRQ9 Watchdog Timer
IRQ10 Unassigned
IRQ11 Unassigned
IRQ12 PS/2 Mouse
IRQ13 Floating Point Unit
IRQ14 Primary IDE
IRQ15 Secondary IDE
NMI ISAbus IOCCHK/Memory Parity Error
SMI Power Management/ECC/USB