Table of Contents
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Before You Begin
Removal Sequence
Product Description
Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1900
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 (*).
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
* = Active low
Connector
Connector
Connector
Connector
Connector
This information was not available at time of publication.
Pin Signal
This information was not available at time of publication.
Maintenance & Service Guide
Presario 1900 Series
Models: XL1, XL160, XL161, XL162, XL163, and XL165
Parallel Connector
Serial Connector
Keyboard/Mouse Connector
External VGA Monitor Connector
Universal Serial Bus Connector
Modem Connector
Port Replicator Connector
Pin Signal
LAN Connector
Specifications
Troubleshooting
Pin Assignments
Pin
10
11
12
13
14
15
16
17
18-25
Pin
Signal
1
Carrier Detect
2
Receive Data
3
Transmit Data
4
Data Terminal Ready
5
Signal Ground
6
Data Set Ready
7
Ready to Send
8
Clear to Send
9
Ring Indicator
Pin
Signal
1
Data
2
Not defined
3
Ground
4
+5 VDC
5
Clock
6
Not defined
Pin
Signal
1
Red Analog
2
Green Analog
3
Blue Analog
4
Not connected
5
Ground
6
Ground Analog
7
Ground Analog
8
Ground Analog
9
Not connected
10
Ground
11
Monitor Detect
12
DDC2B Data
13
Horizontal Sync
14
Vertical Sync
15
DDC2B Clock
Pin
Signal
1
Ground
2 D+
3 D-
4 Power
Pin
Signal
1
Unused
2
Unused
3
Tip
4
Ring
5
Unused
6
Unused
Pin Signal
Parts Catalog
Battery Operations
Index
Signal
Acknowledge*
Busy
Paper Out
Select
Auto Linefeed*
Error*
Initialize Printer*
Select In*
Signal Ground
Pin Signal
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