
AIMB-341 User Manual
74
C.4 Interrupt assignments
Table C.4: Interrupt assignments
Interrupt#
Interrupt source
IRQ 0
Interval timer
IRQ 1
Keyboard
IRQ 2
Interrupt from controller 2 (cascade)
IRQ 3
COM2
IRQ 4
COM1
IRQ 5
COM4
IRQ 6
FDD
IRQ 7
LPT1
IRQ 8
RTC
IRQ 9
Reserved (audio)
IRQ 10
COM3
IRQ 11
Reserved for watchdog timer
IRQ 12
PS/2 mouse
IRQ 13
INT from co-processor
IRQ 14
Primary IDE
IRQ 15
Secondary IDE for CFC
Содержание AIMB-341
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