IBM PC 300PL manual Parallel, Keyboard port connector pin assignments, Connector

Appendix

A. Connector

pin

assignments

Figure

31

(Page

2

of

2).

Mouse port connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

5

Clock

I/O

6

Reserved

NA

Figure

32.

Keyboard port connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

1

Keyboard

data

I/O

2

Mouse

data

I/O

3

Ground

NA

4

+5 V

dc

NA

5

Keyboard

clock

I/O

6

Mouse

clock

I/O

Serial port

connector

1

5

6

9

Figure

33.

Serial port connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

1

Data

carrier

detectI

2

Receive

data#

I

3

Transmit data#

O

4

Data

terminal read

O

5

Ground

NA

6

Data

set

ready

I

7

Request

to send

O

8

Clear

to

send

I

9

Ring

indicator

I

Parallel

port

connector

13

1

25

14

Figure

34

(Page

1

of

2).

Parallel port connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

1

STROBE#

I/O

2

Data

bit

0

I/O

3

Data

bit

1

I/O

4

Data

bit

2

I/O

5

Data

bit

3

I/O

6

Data

bit

4

I/O

7

Data

bit

5

I/O

8

Data

bit

6

I/O

9

Data

bit

7

I/O

10

ACK#

I

11

BUSY

I

12

PE

I

13

SLCT

I

14

AUTO

FD XT#

O

15

ERROR#

I

16

INIT#

O

17

SLCT

IN#

O

18

Ground

NA

19

Ground

NA

20

Ground

NA

21

Ground

NA

22

Ground

NA

23

Ground

NA

24

Ground

NA

34 Technical Information Manual