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I/O Panel

Dell Precision™ Workstation 650 and Dell Precision Workstation 450 Service Manual

  I/O Panel Components for the Dell Precision 650 Computer

  I/O Panel Components for the Dell Precision 450 Computer

  Removing the I/O Panel

  Replacing the I/O Panel

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.

I/O Panel Components for the Dell Precision 650 Computer

1	front-panel audio connector	7	diagnostic lights (4)
2	control panel connector	8	IEEE 1394 connector
3	chassis-intrusion switch connector	9	USB 2.0 connectors (2)
4	system board connector	10	microphone connector
5	speaker connector	11	headphone connector
6	front-panel USB/IEEE 1394 connector

I/O Panel Components for the Dell Precision 450 Computer

1	chassis-intrusion switch connector	6	headphone connector
2	system board connector	7	USB 2.0 connector
3	USB 2.0 connector	8	USB 2.0 connector
4	front-panel audio connector	9	diagnostic lights (4)
5	control panel connector

Removing the I/O Panel

1. Remove the front panel.
   
   
2. Disconnect the control panel cable from the control panel connector.
   
   
3. Disconnect the front-panel cable from the system board.
   
   
4. Remove all cables that are connected to the front I/O panel.
   
   
5. From inside the cover, remove the mounting screw that secures the front I/O panel to the computer.
   
   
6. Remove the front I/O panel from the computer.
   
   

Dell Precision 650 Computer

Dell Precision 450 Computer

Replacing the I/O Panel

To replace the front I/O panel, perform the removal procedure in reverse.

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