AM4011
Configuration
ID 1022-1626, Rev. 1.0
Page 4 - 5
P R E L I M I N A R Y
4.2
Interrupts
The AM4011 board uses the standard AT IRQ routing (8259 controller). This interrupt routing
is the default configurations, but it can be modified via the BIOS settings.
Table 4-6:
Interrupt Setting
IRQ
PRIORITY
STANDARD FUNCTION
IRQ0
1
System Timer
IRQ1
2
Free (Keyboard Controller)
IRQ2
--
Input of the second IRQ controller (IRQ8-IRQ15)
IRQ3
11
COM2
IRQ4
12
COM1
IRQ5
13
Watchdog
IRQ6
14
Free (Floppy Disk Controller)
IRQ7
15
Module Management Controller
IRQ8
3
System Real-Time Clock
IRQ9
4
ACPI
IRQ10
5
Free
IRQ11
6
Free
IRQ12
7
Free
IRQ13
8
Coprocessor error
IRQ14
9
Free
IRQ15
10
Free