Floppy

drive

connector

(CN12)

 

 

Floppy drive connector (CN12)

 

 

 

 

 

Pin

Signal

Pin

Signal

 

 

 

 

1

GND

2

DENSITY SELECT 0

 

 

 

 

3

GND

4

NC

 

 

 

 

5

NC

6

DENSITY SELECT 1

 

 

 

 

7

GND

8

INDEX

 

 

 

 

9

GND

10

MOTOR 0

 

 

 

 

11

GND

12

DRIVE SELECT 1

 

 

 

 

13

GND

14

DRIVE SELECT 2

 

 

 

 

15

GND

16

MOTOR 1

 

 

 

 

17

GND

18

DIRECTION

 

 

 

 

19

GND

20

STEP

 

 

 

 

21

GND

22

WRITE DATA

 

 

 

 

23

GND

24

WRITE GATE

 

 

 

 

25

GND

26

TRACK 0

 

 

 

 

27

GND

28

WRITE PROTECT

 

 

 

 

29

GND

30

READ DATA

 

 

 

 

31

GND

32

HEAD DELECT

 

 

 

 

33

GND

34

DISK CHANGE

 

 

 

 

42 SBC-658 User Manual

Page 51
Image 51
IBM SBC-658 manual Floppy Drive Connector CN12, Floppy drive connector CN12 Pin Signal