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Maintenance & Service Guide
Presario 1600 Series
Models: 1650 and 1655
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Pin Assignments | Battery Pack Operations
Connector Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1600 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 18-25 Signal Ground
* = Active low
Serial Connector
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