51
CM1-86DX3
A.5 Interrupts
A.5.1
SERIRQ Interrupt Mapping
Below the SERIRQ Interrupt Mapping is shown:
Table A-8: SERRIRQ Interrupt Mapping
Data
Frame#
Interrupt
Comment
1
IRQ0
System Timer
2
IRQ1
Keyboard Controller
3
IRQ2
Cascade for IRQ8~15
4
IRQ3
Serial port 2
5
IRQ4
Serial port 1
6
IRQ5
Ethernet 10/100M LAN
7
IRQ6
USB
8
IRQ7
USB / Multimedia Device
9
IRQ8
Real Timer Clock
10
IRQ9
ACPI
11
IRQ10
PCIe0 / Serial Port 3
12
IRQ11
PCIe1 / Serial Port 4
13
IRQ12
Mouse
14
IRQ13
Math Coprocessor
15
IRQ14
Hard Disk Controller #1
16
IRQ15
Hard Disk Controller #2