Interrupt Request Lines (Irq) - IBT Technologies IB530 User Manual

APPENDIX
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the
service required. The following table shows the IRQ used by the devices
on board.
Level
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
48 IB530 User's Manual
Function
System Timer Output
Keyboard
PIC2 (IRQ8-15)
Serial Port #2
Serial Port #1
For PCI
Floppy Disk Controller
Parallel Port #1
Real Time Clock
For PCI
For PCI
For PCI
PS/2 Mouse
Coprocessor
Primary IDE