Irq lines apic mode – ADLINK NuPRO-A331 User Manual
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System Resources
IRQ Lines APIC Mode
IRQ#
Typical Interrupt
Resource
Connected to Pin
Available
0
Counter 0
N/A
No
1
Keyboard controller
N/A
No
2
Cascade interrupt from
slave PIC
N/A
No
3
Serial Port 5 (COM5)
IRQ3 via SERIRQ, IRQ3 at ISA
bus
Note (1)
4
Serial Port 1-4
(COM1.2.3.4)
IRQ4 via SERIRQ, IRQ4 at ISA
bus
Note (1)
5
Serial Port 6 (COM6)
IRQ5 via SERIRQ, IRQ5 at ISA
bus
Note (1)
6
PCI / ISA
N/A
No
7
Parallel port
IRQ7 via SERIRQ, IRQ7 at ISA
bus
Note (1)
8
Real-time clock
N/A
No
9
ACPI
IRQ9 via SERIRQ, IRQ9 at ISA
bus
Note (1)
10
SMbus
IRQ10 via SERIRQ, IRQ14 at ISA
bus
No
11
PCI / ISA
N/A
No
12
PS/2 Mouse / PCI / ISA
IRQ12 via SERIRQ, IRQ12 at ISA
bus
Note (1)
13
Math Processor
N/A
No
14
Primary IDE controller /
PCI / ISA
IRQ14 via SERIRQ, IRQ14 at ISA
bus
No
15
Primary IDE controller /
PCI / ISA
IRQ15 via SERIRQ, IRQ14 at ISA
bus
No
16
N/A
PCIE Port #0, PCIE Port #4, EHCI
ontroller #2, UHCI Controller #2,
HECI Host #1, HECI Host #2,
I.G.D., NAND Controller
Yes
17
N/A
PCIE Port #1, PCIE Port #5, PCIE
Root Port #0, KT Controller
Yes