Connector Pin Assignments - Compaq 1200US - Presario - Celeron 800 MHz Maintenance And Service Manual

| Home Page
Illustrated Parts Catalog

Connector Pin Assignments

This appendix provides connector pin assignment tables for Compaq Presario 1200
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
privacy statement
legal notices
Maintenance & Service Guide
Presario 1200 Series
Models: 1230 and 1232
| Notice | Preface |
| Removal & Replacement Procedures
Pin Assignments |
Parallel Connector
Serial Connector
Pin
1
2
3
4
5
6
7
8
9
Keyboard/Mouse
Pin
1
2
3
4
5
6
External VGA Monitor
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Universal Serial Bus
Pin
1
2
3
4
5
6
Modem
Pin
1
2
3
4
5
6
Product Description
Battery Pack Operations
Pin Signal
10 Acknowledge*
11 Busy
12 Paper Out
13 Select
14 Auto Linefeed*
15 Error*
16 Initialize Printer*
17 Select In*
18-25 Signal Ground
Signal
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Ready to Send
Clear to Send
Ring Indicator
Signal
Data
Not defined
Ground
+5 VDC
Clock
Not defined
Signal
Red Analog
Green Analog
Blue Analog
Not connected
Ground
Ground Analog
Ground Analog
Ground Analog
Not connected
Ground
Monitor Detect
DDC2B Data
Horizontal Sync
Vertical Sync
DDC2B Clock
Signal
Signal
Unused
Unused
Tip
Ring
Unused
Unused
| Troubleshooting
| Specifications