IBM Aptiva Series Hardware Maintenance

1-12
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.
Note: IRQ 11 may be used if hardware MPEG is enabled.
Table 1- 5 System Interrupts Table
Interrupt request (IRQ) Function
0 Timer
1 Keyboard
2 Cascade interrupt control
3 Serial alternate/modem
4 Serial primary
5 Audio
6 Diskette
7 Parallel port
8 Real-time clock
9 MIDI
10 Not used
11 Not used
12 PS/2 mouse
13 Math coprocessor
14 Primary IDE
15 Secondary IDE

IBM Aptiva Series Specifications

General

Expansion Slots	ISA, PCI
CPU	Intel Pentium
Operating System	Windows 95
Sound	Integrated Audio
Optical Drive	CD-ROM
Ports	Serial, Parallel, USB