Interrupts – Intel D865GVHZ User Manual

Page 80

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Intel Desktop Board D865GVHZ Product Guide

80

Interrupts

Table 36.

Interrupts

IRQ

System Resource

NMI

I/O channel check

0

Reserved, interval timer

1

Reserved, keyboard buffer full

2

Reserved, cascade interrupt from slave PIC

3

COM2*

4

COM1*

5

LPT2 (Plug and Play option) **

6

Floppy drive controller

7

LPT1*

8

Real time clock

9

**

10

**

11

**

12

Onboard mouse port (if present, else user available)

13

Reserved, math coprocessor

14

Primary IDE/Serial ATA (if present, else user available)

15

Secondary IDE/Serial ATA (if present, else user available)

* Default, but can be changed to another IRQ.

** Dynamically allocated for all PCI/AGP devices and slots.

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