4 interrupt request (irq) lines, Interrupt request (irq) lines, Pic mode – ADLINK nanoX-TC User Manual
Page 27: Apic mode
Page 27
Express-IA533 User’s Manual
Page 27
Express-IA533 User’s Manual
nanoX-TC User’s Manual
Page 27
7.4 Interrupt Request (IRQ) Lines
PIC Mode
IRQ#
Typical Interrupt Resource
Connected
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
IRQ3 via SERIRQ
Note (1)
4
Serial Port 1 (COM1) / PCI
IRQ4 via SERIRQ
Note (1)
5
AHCI SATA controller
AHCI SATA controller
No
6 N/A
N/A
Yes
7 N/A
N/A
Yes
8 Real-time
clock
Internal
RTC
No
9
SCI / PCI
IRQ9 via SERIRQ
Note (1)
10 PCI
N/A
No
11 PCI
N/A
No
12
PS/2 Mouse / PCI
IRQ12 via SERIRQ
Note (1)
13 Math
Processor
N/A
No
14 N/A
N/A
No
15 N/A
N/A
No
(1) These IRQs can be used for PCI devices when onboard device is disabled.
APIC Mode
IRQ#
Typical Interrupt Resource
Connected
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
IRQ3 via SERIRQ
Note (1)
4
Serial Port 1 (COM1) / PCI
IRQ4 via SERIRQ
Note (1)
5
EG20T DMA controller
EG20T DMA controller #2
No
6 N/A
N/A
No
7 N/A
N/A
No
8 Real-time
clock
Internal
RTC
No
9
SCI / PCI
IRQ9 via SERIRQ
Note (1)
10 N/A
N/A
Yes
11
Embedded Media and Graphics extension Embedded Media and Graphics extension
No
12
PS/2 Mouse / PCI
IRQ12 via SERIRQ
Note (1)
13 Math
Processor
N/A
No
14 N/A
N/A
No