Humminbird HS-7238 3.9Floppy Disk Drive Connector, FD1: FDD Connector

3.9Floppy Disk Drive Connector

The HS-7238 uses a standard 34-pin header connector, FD1, for floppy disk drive connection. A total of two FDD drives may be connected to FD1 at any given time.

FD1: FDD Connector

PIN

Description

PIN

Description

1

GND

2

DRVDEN0

3

GND

4

N/C

5

GND

6

DRVDEN1

7

GND

8

INDEX#

9

GND

10

MTRA#

11

GND

12

DSB#

13

GND

14

DSA#

15

GND

16

MTRB#

17

GND

18

DIR#

19

GND

20

STEP#

21

GND

22

WDATA#

23

GND

24

WGATE#

25

GND

26

TRAK00#

27

GND

28

WRTPRT#

29

N/C

30

RDATA#

31

GND

32

HDSEL#

33

N/C

34

DSKCHG#

DRVDEN0

N/C

DRVDEN1

INDEX#

MTR0#

DS1#

DS0#

MTR1#

DIR#

STEP#

’WDATA#

WGATE#

TRAK00#

WRTPRT#

PDATA#

HDSEL#

DSKCHG#

2

34

1

33

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

N/C

GND

N/C

13