Irq mapping table – Nortel Networks CALLPILOT 555-7101-215 User Manual

Page 17

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May 2003

702t server description

Part 2: 702t Server Hardware Installation

17

IRQ mapping table

The following table lists the assignments for each Interrupt Request (IRQ).
You do not need this information for installation, but it may be useful for
troubleshooting.

IRQ

Slot or device

0

Timer

1

Chipset

2

System/unused

3

Serial Port 2 (COM2)

4

Serial Port 1 (COM1)

5

For Meridian 1 or Succession CSE 1000 system, available for
CLAN in slot 4 as needed.

6

Floppy controller

7

Parallel port (LPT1)

8

Real Time Clock

9

ACPI SCI Interrupt

10

On-board network card

11

Slots 2 and 3 (MPB16-4 boards)

12

PS/2 Mouse

13

Math coprocessor

14

Primary EIDE controller

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