Appendix B
Interrupt Requests (IRQs)
The factory-set interrupt requests are listed below. Find an appropriate interrupt request from the
list below to install an optional device.
IRQ
Peripheral Device (Controller)
0
System timer
1
Keyboard
2
Cascaded connection
3
COM2 serial port (PCI)
4
COM1 serial port (PCI)
5
PCI/LPT2 parallel port
6
Floppy disk
7
(PCI/LPT1 parallel port)
IRQ
Peripheral Device (Controller)
8
Real-time clock
9
PCI/SCI
10
PCI
11
ESMINT/PCI
12
Mouse
13
Numeric processor
14
Primary IDE (CD-ROM drive)
15
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