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
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 | Signal Ground |
* = Active low
| Serial Connector | |
Connector | Pin | Signal |
1Carrier Detect
2Receive Data
3Transmit Data
4Data Terminal Ready
5Signal Ground
6Data Set Ready
7Ready to Send
8Clear to Send
9Ring Indicator
Keyboard/Mouse
Connector | Pin | Signal |
1Data
2Not defined
3Ground
4+5 VDC
5Clock
6Not defined
External VGA Monitor
Connector | Pin | Signal |
1Red Analog
2Green Analog
3Blue Analog
4Not connected
5Ground
6Ground Analog
7Ground Analog
8Ground Analog
9Not connected
10Ground
11Monitor Detect
12DDC2B Data
13Horizontal Sync
14Vertical Sync
15DDC2B Clock
| Universal Serial Bus | |
Connector | Pin | Signal |
| 1 |
|
2
3
4
5
6
Modem
Connector | Pin | Signal |
1Unused
2Unused
3Tip
4Ring
5Unused
6Unused
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