Interrupt Request Lines (Irq) - IBASE Technology FWA9400 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 3
IRQ 4
IRQ 8
IRQ 11
IRQ 13
IRQ 16
IRQ 16
IRQ 18
IRQ 18
IRQ 81 ~ IRQ 191
IRQ 256 ~ IRQ 511
IRQ 4294967221
IRQ 4294967222 ~
IRQ 4294967245
IRQ 4294967246 ~
IRQ 4294967269
IRQ 4294967270
IRQ 4294967271
IRQ 4294967272
IRQ 4294967273
IRQ 4294967274
IRQ 4294967275
FWA9400 User Manual
Function
System timer
Communications Port (COM2)
Communications Port (COM1)
System CMOS/real time clock
Intel(R) C610 series/X99 chipset SMBus Controller -
8D22
Numeric data processor
Standard SATA AHCI Controller
ASPEED Graphics Family(WDDM)
Intel(R) C610 series/X99 chipset USB Enhanced
Host Controller #1 - 8D26
Intel(R) C610 series/X99 chipset USB Enhanced
Host Controller #2 - 8D2D
Microsoft ACPI-Compliant System
Microsoft ACPI-Compliant System
Intel(R) USB 3.0 eXtensible Host Controller - 0100
(Microsoft)
Intel(R) I210 Gigabit Network Connection
Intel(R) I210 Gigabit Network Connection #2
Intel(R) Xeon(R) E7 v4/Xeon(R) E5 v4/Xeon(R) E3
v4/Xeon(R) D PCI Express Root Port 0 - 6F01
PCI standard PCI Express to PCI/PCI-X Bridge
Intel(R) Xeon(R) E7 v4/Xeon(R) E5 v4/Xeon(R) E3
v4/Xeon(R) D PCI Express Root Port 3 - 6F0A
Intel(R) Xeon(R) E7 v4/Xeon(R) E5 v4/Xeon(R) E3
v4/Xeon(R) D PCI Express Root Port 3 - 6F09
Intel(R) Xeon(R) E7 v4/Xeon(R) E5 v4/Xeon(R) E3
v4/Xeon(R) D PCI Express Root Port 3 - 6F08
Intel(R) Xeon(R) E7 v4/Xeon(R) E5 v4/Xeon(R) E3
v4/Xeon(R) D PCI Express Root Port 2 - 6F07
Appendix
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