Maintenance & Service Guide

Presario 1600 Series Portable Computers

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Connector Pin Assignments

This section provides connector pin assignment tables for Compaq Presario 1600 Series Portable Computers and the Compaq Port Replicator for selected models. For more information on connectors, refer to Rear Connectors for

connectors located on the computer and Port Replicator for connectors located on the port replicator.

NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).

Parallel Connector

Serial Connector

Keyboard/Mouse

External VGA Monitor

Phone Line to Wall Jack

Port Replicator

Parallel Connector

Pin

Signal

Pin

Signal

1

Strobe*

10

Acknowledge*

2

Data Bit 0

11

Busy

3

Data Bit 1

12

Paper Out

4

Data Bit 2

13

Select

5

Data Bit 3

14

Auto Linefeed*

6

Data Bit 4

15

Error*

7

Data Bit 5

16

Initialize Printer*

8

Data Bit 6

17

Select In*

9

Data Bit 7

18-25

Signal Ground

 

 

* = Active low

 

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Serial Connector

 

Connector

Pin

Signal

 

1

Carrier Detect

 

2

Receive Data

 

3

Transmit Data

 

4

Data Terminal Ready

 

5

Signal Ground

 

6

Data Set Ready

 

7

Ready to Send

 

8

Clear to Send

 

9

Ring Indicator

 

Keyboard/Mouse

 

Connector

Pin

Signal

 

1

Data

 

2

Not defined

 

3

Ground

 

4

+5 VDC

 

5

Clock

 

6

Not defined

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External VGA Monitor

ConnectorPinSignal

1 Red Analog

2 Green Analog

3 Blue Analog

4 Not connected

5 Ground

6 Ground Analog

7 Ground Analog

8 Ground Analog

9 Not connected

10 Ground

11 Monitor Detect

12 DDC2B Data

13 Horizontal Sync

14 Vertical Sync

15 DDC2B Clock

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Phone Line to Wall Jack

ConnectorPinSignal

1Unused

2Unused

3Tip

4Ring

5Unused

6Unused

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Port Replicator

 

 

Pin

Signal

Pin

Signal

Pin

Signal

Pin

Signal

1

N.C.

21

Printer Data 0

41

N.C.

61

CTS

2

N.C.

22

Printer Data 1

42

N.C.

62

DCD

3

Kb Clk 1

23

Printer Data 2

43

Switch A

63

DSR

4

Joystick Data A

24

Printer Data 3

44

Switch B

64

TXD

5

Kb Data 1

25

Printer Data 4

45

Switch C

65

RTS

6

Joystick Data B

26

Printer Data 5

46

Switch D

66

N.C.

7

Kb Clk 2

27

Printer Data 6

47

N.C.

67

Detect

8

Joystick Data C

28

Printer Data 7

48

MIDI In

68

N.C.

9

Kb Data 2

29

Reserved

49

MIDI Out

69

V. Sync

10

Joystick Data D

30

Reserved

50

+5V

70

Ground

11

Lp Select In

31

Reserved

51

+5V

71

H. Sync

12

Lp Paper End

32

Reserved

52

N.C.

72

Ground

13

Lp Initialize

33

Adapter In

53

N.C.

73

Blue

14

Lp Busy

34

Adapter In

54

N.C.

74

Ground

15

Lp Error

35

Adapter In

55

N.C.

75

Green

16

Lp Ack

36

Adapter In

56

Dock ID -

76

Ground

17

Lp Auto Feed

37

Adapter In

57

RXD

77

Red

18

Lp Strobe

38

Adapter In

58

Lp Select

78

Ground

19

DDC2BC

39

N.C.

59

RI

79

N.C.

20

DDC2BD

40

N.C.

60

DTR

80

N.C.

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Page 9
Image 9
HP 1630 manual Connector Pin Assignments