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Maintenance and Service Guide
Compaq Presario 5400 Series Computers - 5446, 5452, 5456, 5471, 5473, 5474, 5475, 5476, 5477

MSG index Product Description Troubleshooting Illustrated Parts Catalog
Home Removal & Replacement Jumper & Switch Information Specifications
Models and features
CPU controls and lights
Keyboard controls and lights
Creativity Action Center
CPU rear  connectors
Power cord set requirements
PRODUCT DESCRIPTION

CPU Rear Connectors

Connector Pin Assignments

Click on an item to see its pin assignments.

Audio line out Keyboard Parallel Speaker/headphone out
Audio line in Microphone Phone line to phone USB
CD drive data cable MIDI/joystick Phone line to wall jack VGA monitor
Fax/modem Mouse Serial

Parallel Connector

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Pin Signal Pin Signal Pin Signal
1 Strobe* 7 Data Bit 5 13 Select
2 Data Bit 0 8 Data Bit 6 14 Auto Linefeed*
3 Data Bit 1 9 Data Bit 7 15 Error*
4 Data Bit 2 10 Acknowledge* 16 Initialize Printer*
5 Data Bit 3 11 Busy 17 Select In*
6 Data Bit 4 12 Paper Out 18-25 Signal Ground
* Active low

 

Serial Connector
 

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 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

 

 

Universal Serial Bus
 

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 Pin Signal
1 - Data
2 +Data
3 Ground
4 +5 VDC

 

 

Keyboard &
Mouse
 

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 Pin Signal
1 Data
2 Unused
3 Ground
4 +5 VDC
5 Clock
6

Unused

 

1.800.AT.COMPAQ
 
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