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Maintenance & Service Guide
Presario 1600 Series Portable Computers

Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack


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

Illustration of 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
Illustration of serial connector 1

2

3

4

5

6

7

8

9

Carrier Detect

Receive Data

Transmit Data

Data Terminal Ready

Signal Ground

Data Set Ready

Ready to Send

Clear to Send

Ring Indicator

Keyboard/Mouse
Connector Pin Signal
Illustration of keyboard/mouse connector 1

2

3

4

5

6

Data

Not defined

Ground

+5 VDC

Clock

Not defined

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External VGA Monitor
Connector Pin Signal
Illustration of external VGA monitor connector 1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Red Analog

Green Analog

Blue Analog

Not connected

Ground

Ground Analog

Ground Analog

Ground Analog

Not connected

Ground

Monitor Detect

DDC2B Data

Horizontal Sync

Vertical Sync

DDC2B Clock

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Phone Line to Wall Jack
Connector Pin Signal
  1

2

3

4

5

6

Unused

Unused

Tip

Ring

Unused

Unused

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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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