IBM Aptiva Hardware Handbook

146 Appendix
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 16: System board interrupts
Interrupt request (IRQ) Function
SMI Power management
NMI Parity error or I/O channel check
0 Timer
1 Keyboard
2 Cascade to IRQ8-IRQ15
3 Serial port B
4 Serial port A
5 User available
6 Diskette
7 Parallel port
8 Real-time clock
9 Redirect cascade (user available)
10 User available
11 User available
12 Mouse
13 Math coprocessor
14 Primary IDE
15 Secondary IDE
bi2gntce.bk : bi2gappa.doc Page 146 Saturday, June 3, 1995 6:54 AM

IBM Aptiva Specifications

General

CPU	Intel Pentium
RAM	8 MB to 64 MB
Operating System	Windows 95
Graphics	S3, ATI
Optical Drive	CD-ROM
Ports	Serial, Parallel, PS/2
Expansion Slots	ISA, PCI