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NOTICE: To avoid damaging the computer, wait 5 seconds after turning off the computer before you disconnect an external device.

CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your computer in a low-airflow environment, such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.

1

2

3

4

5

6

7

8

9

1

fan

6

PS/2 connector

 

 

 

 

2

serial connector

7

USB connector

 

 

 

 

3

parallel connector

8

video connector

 

 

 

 

4

docking connector

9

AC adapter connector

 

 

 

 

5

fan

 

 

 

 

 

 

20

System Information Guide

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Image 22
Dell C640, C540 manual Back View
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