"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

Data Bit 7

 

18-25

 

Signal Ground

 

 

 

 

 

 

 

 

 

 

 

* = Active low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 1

 

 

2

 

Data 2

 

 

3

 

Ground

 

 

4

 

+5 V

 

 

5

 

Clock 1

 

 

6

 

Clock 2

 

 

 

 

 

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