Dell PowerEdge R540 EMC Installation and Service Manual - Page 147

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

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Figure 111. Installing the rear drive cage Next steps 1. Reconnect all the disconnected cables to the rear drive backplane. 2. Install all the drives. 3. Follow the procedure listed in After working inside your system on page 67. System battery 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 66. 2. Follow the procedure listed in Before working inside your system on page 67. 3. If installed, remove the low profile expansion card riser. Steps 1. Locate the USB port or USB memory key on the system board. To locate the USB port, see the Jumpers and connectors on page 171. 2. If installed, remove the USB memory key from the USB port. 3. Insert the replacement USB memory key into the USB port. Installing and removing system components 147

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Figure 111. Installing the rear drive cage
Next steps
1.
Reconnect all the disconnected cables to the rear drive backplane.
2.
Install all the drives.
3.
Follow the procedure listed in
After working inside your system
on page 67.
System battery
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 66.
2.
Follow the procedure listed in
Before working inside your system
on page 67.
3.
If installed,
remove the low profile expansion card riser
.
Steps
1.
Locate the USB port or USB memory key on the system board.
To locate the USB port, see the
Jumpers and connectors
on page 171.
2.
If installed, remove the USB memory key from the USB port.
3.
Insert the replacement USB memory key into the USB port.
Installing and removing system components
147