Appendix
SI-614 / SI-614-M User Manual
43
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 14
Motherboard resources
IRQ 17
High Definition Audio Controller
IRQ 13
Numeric data processor
IRQ 4294967293
Standard SATA AHCI Controller
IRQ 4
Communications Port (COM1)
IRQ 0
System timer
IRQ 4294967294
Intel(R) Xeon(R) E3 - 1200/1500 v5/6th Gen Intel(R)
Core(TM) PCIe Controller (x16) - 1901
IRQ 54 ~ IRQ 204
Microsoft ACPI-Compliant System
IRQ 256 ~ IRQ 511
Microsoft ACPI-Compliant System
IRQ 4294967289
Intel(R) Management Engine Interface
IRQ 4294967291
Intel(R) USB 3.0 eXtensible Host Controller - 1.0
(Microsoft)
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 4294967292
Intel(R) Ethernet Connection (2) I219-V
IRQ 4294967290
NVIDIA GeForce GTX 1050
IRQ 8
System CMOS/real time clock
IRQ 16
High Definition Audio Controller
