IBASE Technology MI808 User Manual - page 68
Manual is about: Mini-ITX Motherboard
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75
APPENDIX
64
MI808 User’s Manual
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
Function
IRQ0
System timer
IRQ1
Standard PS/2 Keyboard
IRQ3
Communications Port (COM2)
IRQ4
Communications Port (COM1)
IRQ6
Communications Port (COM3)
IRQ10
Communications Port (COM4)
IRQ11
PS/2 Compatible Mouse
IRQ12
Intel(R) Celeron(R)/Pentium(R) SM
Bus Controller
IRQ19
Standard SATA AHCI Controller