Dell PowerEdge R940 EMC Installation and Service Manual - Page 152

Optional internal USB memory key, Replacing the optional internal USB memory key

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2. Use a plastic scribe to pry out the system battery as shown in the illustration below. Figure 101. Removing the system battery 3. To install a new system battery, hold the battery with the positive side facing up and slide it under the securing tabs. 4. Press the battery into the connector until it snaps into place. Figure 102. Installing the system battery Next steps 1. If removed, install the PEM. 2. If removed, install the expansion card risers. 3. If applicable, connect the cables to the expansion card(s). 4. Install the air shroud. 5. Follow the procedure listed in After working inside your system on page 66. 6. While booting, press F2 to enter the System Setup and ensure that the battery is operating properly. 7. Enter the correct time and date in the System Setup Time and Date fields. 8. Exit the System Setup. Optional internal USB memory key 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 on page 65. 2. Follow the procedure listed in Before working inside your system on page 66. Steps 1. Locate the USB port or USB memory key on the system board. To locate the USB port, see the System board jumpers and connectors. 2. If installed, remove the USB memory key from the USB port. 3. Insert the replacement USB memory key into the USB port. 152 Installing and removing system components

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2.
Use a plastic scribe to pry out the system battery as shown in the illustration below.
Figure 101. Removing the system battery
3.
To install a new system battery, hold the battery with the positive side facing up and slide it under the securing tabs.
4.
Press the battery into the connector until it snaps into place.
Figure 102. Installing the system battery
Next steps
1.
If removed,
install the PEM
.
2.
If removed,
install the expansion card risers
.
3.
If applicable, connect the cables to the expansion card(s).
4.
Install the air shroud
.
5.
Follow the procedure listed in
After working inside your system
on page 66.
6.
While booting, press F2 to enter the System Setup and ensure that the battery is operating properly.
7.
Enter the correct time and date in the System Setup
Time
and
Date
fields.
8.
Exit the System Setup.
Optional internal USB memory key
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
on page 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
Steps
1.
Locate the USB port or USB memory key on the system board.
To locate the USB port, see the
System board jumpers and connectors
.
2.
If installed, remove the USB memory key from the USB port.
3.
Insert the replacement USB memory key into the USB port.
152
Installing and removing system components