Dell OptiPlex 7080 Small Form Factor Service Manual - Page 51

Installing the system board

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Steps 1. Remove the screw (6x32) that secures the I/O panel to the chassis. 2. Lift the I/O panel away from the chassis. 3. Disconnect the intrusion switch cable from the connector on the system board. 4. Disconnect the system board power supply cables from the connector on the system board. 5. Disconnect the power button switch cable from the connector on the system board.. 6. Disconnect the system fan cable from the connector on the system board.. 7. Disconnect the processor power supply cable from the connector on the system board. 8. Disconnect the SATA cables from the connector on the system board. 9. Disconnect the SATA power cable from the connector on the system board. 10. Disconnect the internal speaker cable from the connector on the system board. 11. Remove the four Screws (6x32) and the single standoff screw (M2x4) which secure the system board to the chassis. 12. Free the system board from the back I/O panel by sliding it towards the right and lift the system board out of the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the system board and provides a visual representation of the installation procedure. Field service information 51

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Steps
1.
Remove the screw (6x32) that secures the I/O panel to the chassis.
2.
Lift the I/O panel away from the chassis.
3.
Disconnect the intrusion switch cable from the connector on the system board.
4.
Disconnect the system board power supply cables from the connector on the system board.
5.
Disconnect the power button switch cable from the connector on the system board..
6.
Disconnect the system fan cable from the connector on the system board..
7.
Disconnect the processor power supply cable from the connector on the system board.
8.
Disconnect the SATA cables from the connector on the system board.
9.
Disconnect the SATA power cable from the connector on the system board.
10.
Disconnect the internal speaker cable from the connector on the system board.
11.
Remove the four Screws (6x32) and the single standoff screw (M2x4) which secure the system board to the chassis.
12.
Free the system board from the back I/O panel by sliding it towards the right and lift the system board out of the chassis.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
Field service information
51