B-1. interrupt map – Curtis AR-B1682 User Manual

Page 55

background image

~ Page 49 ~

B-1. INTERRUPT MAP

IRQ

ASSIGNMENT

0

System TIMER interrupt from TIMER-0

1

Keyboard output buffer full

2

Cascade for IRQ 8-15

3

Serial port 2

4

Serial port 1

5

Parallel port 2

6

Floppy Disk adapter

7

Parallel port 1

8

RTC clock

9

Available

10

Available

11

Available

12

Available

13

Math coprocessor

14

Hard Disk adapter

15

Available