Irq lines pic mode – ADLINK AmITX-BT-I User Manual
Page 42
Page 42
AmITX-BT-I
7.2.2. IRQ Lines PIC mode
IRQ#
Typical Intterupt Resource
Connected to Pin
Available
0 Counter
0
N/A
No
1
Keyboard controller
IRQ1 via SERIRQ / PIRQ
No
2
Cascade interrupt from slave PIC
N/A
No
3
Serial Port 2 (COM2)
IRQ3 via SERIRQ / PIRQ
Note (1)
4
Serial Port 1 (COM1)
IRQ4 via SERIRQ / PIRQ
Note (1)
5
Parallel Port (LPT)
IRQ5 via SERIRQ / PIRQ
Note (1)
6
Generic
IRQ6 via SERIRQ / PIRQ
Note (1)
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
Primary IDE controller
IRQ14 via SERIRQ / PIRQ
Note (1)
15
Secondary IDE controller
IRQ15 via SERIRQ / PIRQ
Note (1)
Notes(1): These IRQs can be used for PCI devices when onboard device is disabled.