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Appendix
IB818F
User’s Manual
65
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 25
High Definition Audio Controller
IRQ 4294967280 ~
IRQ 4294967285
Intel(R) I210 Gigabit Network Connection
IRQ 8
High precision event timer
IRQ 4
Communications Port (COM1)
IRQ 3
Communications Port (COM2)
IRQ 5
Communications Port (COM3)
IRQ 10
Communications Port (COM4)
IRQ 4294967279
Intel(R) USB 3.0 eXtensible Host Controller -
1.0 (Microsoft)
IRQ 54 ~ IRQ 511
Microsoft ACPI-Compliant System
IRQ 4294967292
Intel(R) Trusted Execution Engine Interface
IRQ 4294967293
Intel(R) HD Graphics
IRQ 14
Intel(R) Serial IO GPIO Host Controller -
INT3452
IRQ 4294967294
Standard SATA AHCI Controller
IRQ 4294967286 ~
IRQ 4294967291
Intel(R) I210 Gigabit Network Connection #2
IRQ 0
System timer
Summary of Contents for IB818F-I50
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