IBASE Technology MI992, User Manual, Page: 87 / 93

Appendix
MI992
User’s Manual
79
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
IRQ 0 System timer
IRQ 1 Standard PS/2 Keyboard
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 5 Communications Port (COM3)
IRQ 7 Communications Port (COM4)
IRQ 8 System CMOS/real time clock
IRQ 11 Communications Port (COM6)
IRQ 11 Intel(R) Xeon(R) E3 - 1200/1500 v5/6th Gen
Intel(R) Core(TM) Gaussian Mixture Model -
1911
IRQ 11 Intel(R) 100 Series/C230 Series Chipset
Family SMBus - A123
IRQ 11 Intel(R) 100 Series/C230 Series Chipset
Family Thermal subsystem - A131
IRQ 12 Microsoft PS/2 Mouse
IRQ 13 Numeric data processor
IRQ 14 Motherboard resources
IRQ 16 High Definition Audio Controller
IRQ 19 Intel(R) Active Management Technology -
SOL (COM7)
IRQ 54 ~ IRQ 204 Microsoft ACPI-Compliant System
IRQ 256 ~ IRQ 511 Microsoft ACPI-Compliant System
IRQ 4294967283 Intel(R) Management Engine Interface
IRQ 4294967284 Intel(R) I211 Gigabit Network Connection
IRQ 4294967285 Intel(R) I211 Gigabit Network Connection