Interrupt request (irq) lines – ADLINK Express-IBE2 User Manual
Page 36
Page 36
Express-IBE2
5.4. Interrupt Request (IRQ) Lines
PIC Mode
IRQ#
Typical Intterupt Resource
Connected to Pin
Available
0 Counter
0
N/A
No
1
Keyboard controller
IRQ1 vis SEIRQ
No
2
Cascade interrupt from slave PIC
N/A
No
3
Serial Port 2 (COM2) / PCI
IRQ3 via SERIRQ / PIRQ
Note (1)
4
Serial Port 1 (COM1) / PCI
IRQ4 via SERIRQ / PIRQ
Note (1)
5
Generic
IRQ5 via SERIRQ / PIRQ
Note (1)
6
Floppy Drive Controller
IRQ6 via SERIRQ / PIRQ
No
7
Generic
IRQ7 via SERIRQ / PIRQ
Note (1)
8 Real-time
clock
N/A
No
9
Generic
IRQ9 via SERIRQ / PIRQ
Note (1)
10
Generic
IRQ10 via SERIRQ / PIRQ
Note (1)
11
Generic
IRQ11 via SERIRQ / PIRQ
Note (1)
12
PS/2 Mouse
IRQ12 via SERIRQ / PIRQ
Note (1)
13 Math
Processor
N/A
No
14
Generic
IRQ14 via SERIRQ / PIRQ
Note (1)
15
Generic
IRQ15 via SERIRQ / PIRQ
Note (1)
Notes:
(1)
These IRQs can be used for PCI devices when the onboard device is disabled.