Interrupts
IRQ
NMI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Appendix I
Power Supply Voltages
Table H-2 Interrupts
I/O Channel Check
Reserved, Interval Timer
Reserved, Keyboard buffer full
Reserved, Cascade interrupt from slave PIC
COM2
COM1
Sound Blaster/MPU/User available
Floppy
LPT1
Real-time Clock
User available
User available
Windows Sound System/ User available
Onboard Mouse Port if present, else user available
Reserved, Math coprocessor
Primary IDE if present, else user available
Secondary IDE if present, else user available
Resource