PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PIN ASSIGNMENTS 1
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Pin Assignments

This chapter provides the pin assignments for Presario 1800XL Series Notebook

connectors. For additional information about connectors or external ports, refer to

Rear Conn ectors and QuikDock Connectors.

Note: The signals in all tables of this appendix are considered active high unless
otherwise indicated by an asterisk (*).

Parallel Connector

*Signal is active low.
Pin Signal Pin Signal
1Strobe*10 Acknowledge*
2Data Bit 0 11 Busy
3 Data Bit 1 12 Paper Out
4Data Bit 2 13 Select
5 Data Bit 3 14 Auto Line Feed*
6Data Bit 4 15 Error*
7 Data Bit 5 16 Initialize Printer*
8Data Bit 6 17 Select In*
9 Data Bit 7 18-25 Signal Ground