Dell NM176 Removing the Power Supply, System supports a single nonredundant power supply

3Connect the intrusion switch cable to the INTRUSION_SWITCH connector on the system board. See Figure 6-2 for the location of the connector.

4Route all interface connectors through the panel cutout.

5Connect the hard-drive connectors to the SATA connectors on the system board or to the SAS controller, if present. See "Installing a Hard Drive" on page 67.

6Connect the control panel interface cable to the FP_CONN1 connector on the system board. See Figure 6-2 for the location of the connector.

7Connect the optical drive interface cable to the SATA_2 connector on the system board. See Figure 6-2 for the location of the connector.

8Close the system. See "Closing the System" on page 55.

Power Supply

The system supports a single nonredundant power supply.

Removing the Power Supply

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

1Open the system. See "Opening the System" on page 54.

2Disconnect the following power supply cables: a P3 from the hard drive cable harness

b P2 from system board connector 12V

c P1 from system board connector PWR_CONN

3Using a #2 Phillips screwdriver, remove the screw at the front of the power supply that secures the power supply to the chassis. See Figure 3-13.

4Slide the power supply forward and lift straight up to remove the power supply from the chassis.

Installing System Components

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