Compaq Presario 1800 Presario 1800XL Series Maintenance and Service Guide - Page 23

Connector Pin Assignments, Parallel Connector

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Presario 1800 Series Models: XL180, XL181, XL182, XL183, XL185, and XL190, XL191, XL192 Connector Pin Assignments This chapter provides the pin assignments for Presario 1800 Series Notebook connectors. For more information on connectors or external ports, refer to Rear Connectors and QuikDock Connectors. Note: The signals in all tables of this chapter 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 Linefeed* Error* Initialize Printer* Select In* Signal Ground PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES CONNECTOR PIN ASSIGNMENTS 1

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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
C
ONNECTOR
P
IN
A
SSIGNMENTS
1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Connector Pin Assignments
This chapter provides the pin assignments for Presario 1800 Series Notebook connectors.
For more information on connectors or external ports, refer to
Rear Connectors
and
QuikDock Connectors
.
Note:
The signals in all tables of this chapter 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 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