Compaq Presario 1200 Presario 1245 Series Maintenance and Service Guide - Page 84

Connector Pin Assignments, Parallel Connector, Serial Connector, Keyboard/Mouse, External VGA Monitor

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Maintenance & Service Guide Presario 1200 Series Model: 1245 | Home Page | Notice | Preface | Product Description | Troubleshooting Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications Pin Assignments | Battery Pack Operations 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 (*). Click on a link: q Parallel Connector q Serial Connector q Keyboard/Mouse q External VGA Monitor q Universal Serial Bus q Modem 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 * = Active low Connector Connector Connector Connector Connector 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 Return to the top. Serial Connector 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 Return to the top. Keyboard/Mouse Pin Signal 1 Data 1 2 Data 2 3 Ground 4 +5 V 5 Clock 1 6 Clock 2 Return to the top. External VGA Monitor 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 Return to the top. Universal Serial Bus Pin Signal 1 +5V 2 Data - 3 Data + Ground 4 Return to the top. Modem Pin Signal 1 Unused 2 Unused 3 Tip 4 Ring 5 Unused 6 Unused

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Maintenance & Service Guide
Presario 1200 Series
Model: 1245
|
Home Page
|
Notice
|
Preface
|
Product Description
|
Troubleshooting
Illustrated Parts Catalog
|
Removal & Replacement Procedures
|
Specifications
Pin Assignments
|
Battery Pack Operations
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 (*).
Click on a link:
●
Parallel Connector
●
Serial Connector
●
Keyboard/Mouse
●
External VGA Monitor
●
Universal Serial Bus
●
Modem
Parallel Connector
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
* = Active low
Return
to the top
.
Serial Connector
Connector
Pin
Signal
1
2
3
4
5
6
7
8
9
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Ready to Send
Clear to Send
Ring Indicator
Return
to the top
.
Keyboard/Mouse
Connector
Pin
Signal
1
2
3
4
5
6
Data 1
Data 2
Ground
+5 V
Clock 1
Clock 2
Return
to the top
.
External VGA Monitor
Connector
Pin
Signal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
Return
to the top
.
Universal Serial Bus
Connector
Pin
Signal
1
2
3
4
+5V
Data -
Data +
Ground
Return
to the top
.
Modem
Connector
Pin
Signal
1
2
3
4
5
6
Unused
Unused
Tip
Ring
Unused
Unused