System Interrupts - IBM Aptiva Hardware Maintenance Manual

System 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 1- 4 System Interrupts Table
IRQ Function
0 Timer
1 Keyboard
2 Cascade interrupt control
3 Serial port
4 Modem
(available to user if modem is not present)
5 Audio
6 Diskette drive
7 Parallel port
8 Real-time clock
9 Available to user
10 Available to user
11 USB
12 PS/2 mouse
13 Math coprocessor
14 Primary IDE
15 Secondary IDE
1-12