Compaq 12XL500 Models XL300, XL300A, and XL300B - Maintenance & Service Gu - Page 25

Pin Assignments, Parallel Connector

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Presario 1200XL Series Model XL300, XL300A, and XL300B Pin Assignments This appendix provides connector pin assignment tables for Compaq Presario 1200XL Series Portable Notebook. For more information about connectors, refer to the section on Rear Connectors. Note: In all the following tables of this appendix, the signals are considered active high unless otherwise indicated by an asterisk (*). Parallel Connector Pin Assignments 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 6 Data Bit 4 15 7 Data Bit 5 16 Auto Linefeed* Error* Initialize Printer* 8 Data Bit 6 17 Select In* 9 Data Bit 7 18-25 Signal Ground * = Active low PPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES PIN ASSIGNMENTS 1

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PP
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1200XL S
ERIES
P
IN
A
SSIGNMENTS
1
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1200XL
Series Portable Notebook. For more information about connectors, refer to the section on
Rear Connectors
.
Note:
In all the following tables of this appendix, the signals are considered active high
unless otherwise indicated by an asterisk (*).
Parallel Connector
* = Active low
Pin Assignments
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