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AMI230 / AMI231 / AMI232 User 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
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 10
Communications Port (COM5)
IRQ 11
Communications Port (COM6)
IRQ 11
Intel(R) Thermal Subsystem - A379
IRQ 11
Intel(R) SMBus - A323
IRQ 12
Microsoft PS/2 Mouse
IRQ 13
Numeric data processor
IRQ 14
Intel(R) Serial IO GPIO Host Controller - INT3450
IRQ 16
High Definition Audio Controller
IRQ 19
Intel(R) Active Management Technology - SOL
(COM7)
IRQ 54~ IRQ 511
Microsoft ACPI-Compliant System
IRQ 4294967268
Intel(R) Management Engine Interface
IRQ 4294967269
Intel(R) Ethernet Connection (7) I219-LM
IRQ 4294967270-75
Intel(R) I210 Gigabit Network Connection #3
IRQ 4294967276-81
Intel(R) I210 Gigabit Network Connection #2
IRQ 4294967282-87
Intel(R) I210 Gigabit Network Connection
IRQ 4294967288
Intel(R) USB 3.1 eXtensible Host Controller - 1.10
(Microsoft)
IRQ 4294967289
Intel(R) UHD Graphics 610
IRQ 4294967290
Standard SATA AHCI Controller
IRQ 4294967291
Intel(R) PCI Express Root Port #12 - A333
IRQ 4294967292
Intel(R) PCI Express Root Port #8 - A33F
IRQ 4294967293
Intel(R) PCI Express Root Port #7 - A33E
IRQ 4294967294
Intel(R) PCIe Controller (x16) - 1901
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