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Board Interrupts
Interrupt
Request
System 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
User available
6
Floppy
7
Parallel Port 1
8
Real Time Clock
9
User available
10
User available
11
User available
12
On-board Mouse Port (Avail if no PS/2 mouse)
13
Reserved, Math coprocessor
14
Primary IDE
15
Secondary IDE if present, else User available
System Product Guide
7-23
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