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Maintenance &
Service Guide
Presario 1200 Series
Models: 1230 and 1232
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Description | Troubleshooting
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Pin Assignments | Battery
Pack Operations
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 |
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| 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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| Connector | Pin | Signal |
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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 |
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| Connector | Pin | Signal |
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1 2 3 4 5 6 |
Data Not defined Ground +5 VDC Clock Not defined |
External VGA Monitor |
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| Connector | Pin | Signal |
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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 |
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| Connector | Pin | Signal |
| 1 2 3 4 5 6 |
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Modem |
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| Connector | Pin | Signal |
| 1 2 3 4 5 6 |
Unused Unused Tip Ring Unused Unused |
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