Dell PowerEdge R840 EMC Installation and Service Manual - Page 126

Optional USB 3.0 module, Removing USB 3.0 module

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Figure 98. Removing 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 99. Installing system battery Next steps 1. If applicable, install the low profile PCIe cards. 2. If applicable, install the expansion card riser x16 PCIe riser 2 or x8 PCIe riser 2. 3. Connect the power or data cables to the expansion card risers. 4. Install air shroud. 5. Follow the procedure listed in After working inside your system on page 45. 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 USB 3.0 module The USB 3.0 module cable connects to the internal USB port on the system board. NOTE: The optional USB 3.0 module is supported only on the 8 x 2.5-inch system configuration. Removing USB 3.0 module Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the air shroud. 4. Remove the cooling fan assembly. 5. Remove the internal USB memory key. NOTE: Ensure that you note the routing of the cables as you remove them from the system board. Route these cables properly when you replace them to prevent them from being pinched or crimped. Steps 1. Disconnect the cables from the system board. 126 Installing and removing system components

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Figure 98. Removing 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 99. Installing system battery
Next steps
1.
If applicable,
install the low profile PCIe cards
.
2.
If applicable,
install the expansion card riser x16 PCIe riser 2 or x8 PCIe riser 2
.
3.
Connect the power or data cables to the expansion card risers.
4.
Install air shroud
.
5.
Follow the procedure listed in
After working inside your system
on page 45.
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 USB 3.0 module
The USB 3.0 module cable connects to the internal USB port on the system board.
NOTE:
The optional USB 3.0 module is supported only on the 8 x 2.5-inch system configuration.
Removing USB 3.0 module
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 44.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
Remove the air shroud
.
4.
Remove the cooling fan assembly
.
5.
Remove the internal USB memory key
.
NOTE:
Ensure that you note the routing of the cables as you remove them from the system board. Route these
cables properly when you replace them to prevent them from being pinched or crimped.
Steps
1.
Disconnect the cables from the system board.
126
Installing and removing system components