B.4 interrupt request (irq) lines, Irq lines pic mode, Interrupt request (irq) lines – ADLINK NuPRO-E320 User Manual
Page 93: Table b-4: irq lines pic mode
System Resources
79
NuPRO-E320
B.4 Interrupt Request (IRQ) Lines
IRQ Lines PIC Mode
Table B-4: IRQ Lines PIC Mode
Note (1): These IRQs can be used for PCI devices when onboard
device is disabled. If IRQ is from ISA, user must reserve IRQ for ISA in
BIOS setup menu.
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 2 (COM2) /
PCI / ISA
IRQ3 via SERIRQ, IRQ3
at ISA bus
Note (1)
4
Serial Port 1 (COM1) /
PCI / ISA
IRQ4 via SERIRQ, IRQ4
at ISA bus
Note (1)
5
Parallel Port 2 (LPT2) /
PCI / ISA
IRQ5 via SERIRQ, IRQ5
at ISA bus
Note (1)
6
Floppy Drive Controller IRQ6 via SERIRQ
No
7
Parallel Port 1 (LPT1) /
PCI / ISA
IRQ7 via SERIRQ, IRQ7
at ISA bus
Note (1)
8
Real-time clock
N/A
No
9
Microsoft
ACPI-compliant system
N/A
Note (1)
10
PCI / ISA
IRQ10 via SERIRQ,
IRQ10 at ISA bus
Note (1)
11
PCI / ISA
IRQ11 via SERIRQ,
IRQ11 at ISA bus
Note (1)
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
Note (1)
15
Secondary IDE
controller / PCI / ISA
IRQ15 via SERIRQ,
IRQ15 at ISA bus
Note (1)