System Board Interrupts - IBM Aptiva Hardware Handbook

System board interrupts

This table shows the system interrupt requests (IRQs) and their functions. You may use this information if you install
an adapter card that requires you to set IRQs.
Table 13: System board interrupts
Interrupt request (IRQ)
SMI
NMI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
118 Appendix A
Function
Power management
Parity error or I/O channel check
Timer
Keyboard
Cascade to IRQ8-IRQ15
Serial port B
Serial port A
User available
Diskette
Parallel port
Real-time clock
Redirect cascade (user available)
User available
User available
Mouse
Math coprocessor
Primary IDE
Secondary IDE