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AP440FX Motherboard Technical Product Specification
44
2.6 Interrupts
Table 32. Interrupts
IRQ Resource
NMI I/O Channel Check
0 Reserved, Interval Timer
1 Reserved, Keyboard buffer full
2 Reserved, Cascade interrupt from slave PIC
3 Serial Port 2
4 Serial Port 1
5 Audio - Codec
6 Floppy
7 Parallel Port 1
8 Real Time Clock
9 Audio - FM Synthesis
10 USB
11 Video
12 Onboard Mouse Port if present, else user available
13 Reserved, Math coprocessor
14 Primary IDE if present, else user available
15 Secondary IDE if present, else user available