Appendix C

IRQ and I/O Port Address

The factory-set interrupt requests and I/O port addresses are listed below. Find an appropriate one to install an optional device.

Interrupt Request

The factory-set IRQs are assigned as follows:

IRQ

Peripheral Device (Controller)

0

System timer

3

COM2

4

COM1

5

PCI

8

Real-time clock

9

APCI

10

PCI

11

BMC

13

Numeric processor

14

Primary IDE channel

16

PCI

24

PCI