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

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

Connector

 

Pin

 

Signal

 

 

 

 

 

 

 

1

 

Data

 

 

2

 

Not defined

 

 

3

 

Ground

 

 

4

 

+5 VDC

 

 

5

 

Clock

 

 

6

 

Not defined

 

 

 

 

 

External VGA Monitor Connector

Connector

 

Pin

 

Signal

 

 

 

 

 

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