Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 25

Pin Assignments, Back to MSG Contents, Parallel Connector

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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 Connectors and QuikDock Connectors. Note: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*). Parallel Connector Pin Signal 1 Strobe* 2 Data Bit 0 3 Data Bit 1 4 Data Bit 2 5 Data Bit 3 6 Data Bit 4 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 *Signal is active low. Pin 10 11 12 13 14 15 16 17 18-25 Signal Acknowledge* Busy Paper Out Select Auto Line Feed* Error* Initialize Printer* Select In* Signal Ground PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PIN ASSIGNMENTS 1

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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
P
IN
A
SSIGNMENTS
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 Connectors
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
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 Line Feed
*
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