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Dell EMC PowerEdge R740xd - Optional Internal USB Memory Key; Optional Internal USB Memory Key Details; Replacing the Optional Internal USB Memory Key; Power Supply Units

Dell EMC PowerEdge R740xd
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Next steps
1. Install the expansion card riser 1A.
2. If applicable, connect the cables to the expansion card(s).
3. If applicable, open the PCIe card holder latch on the air shroud to secure the full length expansion card.
4. Follow the procedure listed in After working inside your system.
5. While booting, press F2 to enter the System Setup and ensure that the battery is operating properly.
6. Enter the correct time and date in the System Setup Time and Date fields.
7. Exit the System Setup.
Optional internal USB memory key
Optional internal USB memory key details
An optional USB memory key can be installed in the internal USB 3.0 port.
NOTE: To locate the internal USB port on the system board, see the System board jumpers and connectors section.
Replacing the optional internal USB memory key
Prerequisites
CAUTION:
To avoid interference with other components in the server, the maximum permissible dimensions of the USB
memory key are 15.9 mm wide x 57.15 mm long x 7.9 mm high.
1. Follow the safety guidelines listed in Safety instructions.
2. Follow the procedure listed in Before working inside your system.
Steps
1. Locate the USB port or USB memory key on the system board.
To locate the USB port, see the internal USB memory key details section.
2. If installed, remove the USB memory key from the USB port.
3. Insert the replacement USB memory key into the USB port.
Next steps
1. Follow the procedure listed in After working inside your system.
2. While booting, press F2 to enter System Setup and verify that the system detects the USB memory key.
Power supply units
Power supply unit details
Your system supports one of the following:
Two 2400 W, 2000 W, 1600 W, 1100 W, 750 W, or 495 W AC PSUs
Two 1100 W DC PSUs
Two 1100 W or 750 W Mixed Mode HVDC PSUs
NOTE: For more information, see the Technical specifications section.
CAUTION: If two PSUs are installed, both the PSUs must have the same type of label. For example, Extended Power
Performance (EPP) label. Mixing PSUs from previous generations of PowerEdge servers is not supported, even if the
PSUs have the same power rating. Mixing PSUs will result in mismatch condition or failure to turn the system on.
192 Installing and removing system components

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