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

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Image 55
Curtis AR-B1682 operation manual Interrupt MAP, IRQ Assignment