cPlug the other end of the cable into a power distribution unit (PDU) or power outlet.

NOTE: After installing a new power supply, allow several seconds for the system to recognize the power supply and determine whether it is working properly. The power supply status indicator will turn green to signify that the power supply is functioning properly. See Figure 1-4.

Removing the Power Supply Blank

If you are installing a second power supply, remove the power supply blank in the bay by pulling outward on the blank handle, rotate the blank slightly to clear the bay, and remove from the chassis.

NOTICE: To ensure proper system cooling, the power supply blank must be installed in the second power supply bay in a non-redundant configuration. Remove the power supply blank only if you are installing a second power supply.

Installing the Power Supply Blank

NOTE: Install the power supply blank only in the second power supply bay.

To install the power supply blank, insert the tab on the right edge of the blank into the slot in the power supply bay wall. Rotate the blank into the power supply bay.

Internal SD Card

The system provides a slot on top of the expansion-card riser 1 for an internal SD card.

NOTE: To use an SD card with your system, ensure that the SD card port is enabled in the System Setup program. See "Using the System Setup Program" on page 47.

Removing the SD Card

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

1Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

2Open the system. See "Opening the System" on page 71.

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Installing System Components

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Dell R805 Internal SD Card, Removing the Power Supply Blank, Installing the Power Supply Blank, Removing the SD Card