IREM Classic Pinout

IREM CLASSIC (PCB pin numbers)

Parts Side

Solder Side

Ground

1

2

Ground

Ground

3

4

Ground

Not Used

5

6

Not Used

Coin Counter 1

7

8

Not Used

P1 Left

9

10

P2 Left

P1 Right

11

12

P2 Right

P1 Button 2

13

14

P2 Button 2

P2 Start

15

16

P1 Start

Not Used

17

18

Coin Counter 2

Coin 2

19

20

Video Sync

+12 Volts

21

22

+12 Volts

+12 Volts

23

24

+12 Volts

Speaker -

25

26

Speaker +

P1 Button 1

27

28

P2 Button 1

Video Red

29

30

Video Green

Video Blue

31

32

Not Used

P2 Up

33

34

P2 Down

P1 Up

35

36

P1 Down

Service Switch

37

38

Coin 1

+5 Volts

39

40

+5 Volts

+5 Volts

41

42

+5 Volts

Ground

43

44

Ground

IREM CLASSIC (Edge connector numbers)

Parts Side

Solder Side

Ground

22

Z

Ground

Ground

21

Y

Ground

Not Used

20

X

Not Used

Coin Counter 1

19

W

Not Used

P1 Left

18

V

P2 Left

P1 Right

17

U

P2 Right

P1 Button 2

16

T

P2 Button 2

P2 Start

15

S

P1 Start

Not Used

14

R

Coin Counter 2

Coin 2

13

P

Video Sync

+12 Volts

12

N

+12 Volts

+12 Volts

11

M

+12 Volts

Speaker -

10

L

Speaker +

P1 Button 1

9

K

P2 Button 1

Video Red

8

J

Video Green

Video Blue

7

H

Not Used

P2 Up

6

F

P2 Down

P1 Up

5

E

P1 Down

Service Switch

4

D

Coin 1

+5 Volts

3

C

+5 Volts

+5 Volts

2

B

+5 Volts

Ground

1

A

Ground