Interrupt Request Lines (Irq) - IBT IBT999 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
IRQ 0
IRQ 4
IRQ 3
IRQ 13
IRQ 14
IRQ 16
IRQ 19
IRQ 4294967290
IRQ 4294967279~89
IRQ 4294967278
IRQ 4294967294
IRQ 4294967293
IRQ 4294967280
IRQ 4294967291
IRQ 55 ~ IRQ 204
IRQ 256 ~ IRQ 511
IRQ 4294967279
IRQ 4294967290
IRQ 4294967289
IRQ 4
IRQ 3
IRQ 5
IRQ 10
IRQ 4294967292
IRQ 4294967292
IRQ 45
58
Function
System timer
Communications Port (COM1)
Communications Port (COM2)
Numeric data processor
Intel(R) Serial IO GPIO Host Controller - IN
High Definition Audio Controller
Intel(R) Active Management Technology - SOL
Intel(R) Ethernet Connection (11) I2
Intel(R) I211 Gigabit Network Connection
Intel(R) Management Engine Interface
Intel(R) PCI Express Root Port #12 -
Intel(R) PCIe Controller (x16) - 190
Intel(R) UHD Graphics 630
Intel(R) USB 3.1 eXtensible Host Controller - 1.10
(Microsoft)
Microsoft ACPI-Compliant System
Microsoft ACPI-Compliant System
Intel(R) I210 Gigabit Network Connec
Intel(R) UHD Graphics
Intel(R) USB 3.1 eXtensible Host Controller - 1.10
(Microsoft)
Communications Port (COM1)
Communications Port (COM2)
Communications Port (COM3)
Communications Port (COM4)
Standard SATA AHCI Controller
Standard SATA AHCI Controller
Trusted Platform Module 2.0
T3450
19-LM
06B3
1
tion
IBT999AF User's Manual