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Maintenance & Service Guide
Presario 1200 Series
Models: 1230 and 1232

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Connector Pin Assignments

This appendix provides connector pin assignment tables for Compaq Presario 1200 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

XA.gif (2043 bytes)

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
Xb.gif (1402 bytes) 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
Xd.gif (1199 bytes) 1

2

3

4

5

6

Data

Not defined

Ground

+5 VDC

Clock

Not defined

 

External VGA Monitor

Connector Pin Signal
Xf.gif (1573 bytes) 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
  1

2

3

4

5

6

 

 

Modem

Connector Pin Signal
  1

2

3

4

5

6

Unused

Unused

Tip

Ring

Unused

Unused

 
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