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Maintenance & Service Guide for Presario 1600 Series (Models 1683-1694)
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Removal & Replacement Procedures | Specifications | Pin Assignments | Battery Pack Operations


Connector Pin Assignments

This appendix provides connector pin assignment tables for Compaq Presario Series Portable Computers. For more information on connectors, refer to the section on Rear Connectors.

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

 

Parallel Connector

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

 

Serial Connector

Connector Pin Signal
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
Keyboard/Mouse Connector 1

2

3

4

5

6

Data 1

Data 2

Ground

+5 V

Clock 1

Clock 2

 

External VGA Monitor

Connector Pin Signal
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

 

Universal Serial Bus

Connector Pin Signal
Universal Serial Bus Connector 1

2

3

4

+5V

Data -

Data +

Ground

 

Modem

Connector Pin Signal
Modem Connector 1

2

3

4

5

6

Unused

Unused

Tip

Ring

Unused

Unused

 

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