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Intel MB820 User Manual

Page 25

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INSTALLATIONS

MB820 User’s Manual

21


FDD1: Floppy Drive Connector

Signal Name

Pin #

Pin #

Signal Name

Ground

1

2

RM/LC

Ground

3

4

No connect

Ground

5

6

No connect

Ground

7

8

Index

Ground

9

10

Motor enable 0

Ground

11

12

Drive select 1

Ground

13

14

Drive select 0

Ground

15

16

Motor enable 1

Ground

17

18

Direction

Ground

19

20

Step

Ground

21

22

Write data

Ground

23

24

Write gate

Ground

25

26

Track 00

Ground

27

28

Write protect

Ground

29

30

Read data

Ground

31

32

Side 1 select

FDD1

Ground

33

34

Diskette change