Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920

 

 

United States June 27, 2004

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Maintenance & Service Guide

Presario 1900 Series

Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and 1925

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

Connector Pin Assignments

This appendix provides connector pin assignment tables for Compaq Presario 1900 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

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