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B.19 interrupt assignments, Table b.19: interrupt assignments, B.20 1st mb memory map – Advantech PCE-5120 User Manual

Page 121: Table b.20: 1st mb memory map, B.19, Interrupt assignments, B.20, 1st mb memory map, Table b.19:interrupt assignments

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Appendix B

B.19 Interrupt Assignments

B.20 1st MB Memory Map

Table B.19:Interrupt assignments

Priority

Interrupt#

Interrupt source

1

NMI

Parity error detected

2

IRQ0

Interval timer

3

IRQ1

Keyboard

-

IRQ2

Interrupt from controller 2 (cascade)

4

IRQ8

Real-time clock

5

IRQ9

Cascaded to INT 0A (IRQ 2)

6

IRQ10

Available

7

IRQ11

Available

8

IRQ12

PS/2 mouse

9

IRQ13

INT from co-processor

10

IRQ14

Primary IDE Channel

11

IRQ15

Secondary IDE Channel

12

IRQ3

Serial communication port 2

13

IRQ4

Serial communication port 1

14

IRQ5

Parallel port 2

15

IRQ6

Diskette controller (FDC)

16

IRQ7

Parallel port 1 (print port)

Table B.20:1st MB memory map

Addr. range (Hex)

Device

E0000h - FFFFFh

BIOS

CC000h - DFFFFh

Unused

C0000h - CBFFFh

VGA BIOS

A0000h - BFFFFh

Video Memory

00000h - 9FFFFh

Base memory