Interrupt Request Lines (Irq) - IBASE Technology MB998 Series User Manual

B.

Interrupt Request Lines (IRQ)

The following table shows the IRQ used by the devices on board.
Level
IRQ 0
IRQ 1
IRQ 3
IRQ 4
IRQ 5
IRQ 7
IRQ 12
IRQ 14
IRQ 16
IRQ 17
IRQ 19
IRQ 27
IRQ 29
IRQ 31
IRQ 32
IRQ 37
IRQ 43
IRQ 55~IRQ 204
IRQ 256~IRQ 511
IRQ 4294967239
IRQ 4294967240~64 Intel(R) Ethernet Controller I226-LM
IRQ 4294967265~89 Intel(R) Ethernet Controller I226-V
IRQ 4294967290
IRQ 4294967291
IRQ 4294967292
IRQ 4294967293
IRQ 4294967294
80
Function
System timer
Standard PS/2 Keyboard
Communications Port (COM2)
Communications Port (COM1)
Communications Port (COM3)
Communications Port (COM4)
Microsoft PS/2 Mouse
Intel(R) Serial IO GPIO Host Controller -
INTC1056
Intel(R) Serial IO UART Host Controller -
7AA8
High Definition Audio Controller
Intel(R) Active Management Technology -
SOL (COM13)
Intel(R) Serial IO I2C Host Controller - 7ACC
Intel(R) Serial IO I2C Host Controller - 7ACE
Intel(R) Serial IO I2C Host Controller - 7AFC
Intel(R) Serial IO I2C Host Controller - 7AFD
Intel(R) Serial IO SPI Host Controller - 7AAB
Intel(R) Serial IO I2C Host Controller - 7ACF
Microsoft ACPI-Compliant System
Microsoft ACPI-Compliant System
Intel(R) Management Engine Interface #1
Intel(R) USB 3.20 eXtensible Host Controller -
1.20 (Microsoft)
Intel(R) UHD Graphics 770
Standard SATA AHCI Controller
Intel(R) PCI Express Root Port #4 - 7ABB
Intel(R) PCI Express Root Port #3 - 7ABA
MB998 User's Manual