IBM SBC-658 사용자 설명서

                   42   SBC-658  User Manual

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