C-2Connector Pin Assignments

Base Unit Connector

pinout.jpg (75929 bytes)

Pin Signal

 

1

 N/C

2

 Ground

3

 Ground

4

 Serial Port/Carrier Detect

5

 Serial Port/Ring Indicator

6

 Serial Port/Data Set Ready

7

 Extended Keyboard/Data

8

 Extended Keyboard/Clock

9

 Extended Mouse/Clock

10

 Printer Port/Busy

11

 Printer Port/Paper Out

12

 Printer Port/Auto Linefeed

13

 Printer Port/Error

14

 Printer Port/Select In

15

 N/C

16

 Battery Charge Signal

17

 Extended VGA/Vertical Hold

18

 Extended VGA/Horiz. Hold

19

 Ground

20

 Serial Port/Ready to Send

21

 Ground

22

 Ground

23

 Ground

24

 Printer Port/Strobe

25

 Ground

26

 Printer Port/Select

27

 Ground

28

 Printer Port/Initialize

29

 Printer Ground

30

 N/C

31

 Ground

32

 Ground

33

 Ground

34

 Serial Port/Data Term. Ready

35

 Ground

36

 Serial Port/Clear to Send

37

 Ground

38

 Ground

39

 Ground

40

 Printer Port/Data Bit 7

41

 Ground

42

 Printer Port/Data Bit 4

43

 Ground

44

 Printer Port/Data Bit 1

45

 DC In

46

 Extended VGA/Blue

47

 Extended VGA/Green

48

 Extended VGA/Red

49

 Serial Port/Transmit Data

50

 Serial Port/Receive Data

51

 Base Unit/5 volts

52

 Base Unit/5 volts

53

 Extended Mouse/Data

54

 Printer Port/Acknowledge

55

 Printer Port/Data Bit 6

56

 Printer Port/Data Bit 5

57

 Printer Port/Data Bit 3

58

 Printer Port/Data Bit 2

59

 Printer Port/Data Bit 0

60

 DC In

Source:

Beyond Setup
(Compaq Contura Aero Family of Personal Computers)
First Edition (February 1994)
Part Number 190686-001